version 1.7, 2000/06/12 08:03:56 |
version 1.25, 2005/07/24 09:02:40 |
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% $OpenXM: OpenXM/src/kan96xx/Doc/hol.sm1,v 1.6 2000/06/09 08:02:01 takayama Exp $ |
% $OpenXM: OpenXM/src/kan96xx/Doc/hol.sm1,v 1.24 2005/06/23 03:23:26 takayama Exp $ |
%% hol.sm1, 1998, 11/8, 11/10, 11/14, 11/25, 1999, 5/18, 6/5. 2000, 6/8 |
%% hol.sm1, 1998, 11/8, 11/10, 11/14, 11/25, 1999, 5/18, 6/5. 2000, 6/8 |
%% rank, rrank, characteristic |
%% rank, rrank, characteristic |
%% This file is error clean. |
%% This file is error clean. |
Line 14 $hol.sm1, basic package for holonomic systems (C) N.Ta |
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Line 14 $hol.sm1, basic package for holonomic systems (C) N.Ta |
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message-quiet |
message-quiet |
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/gb.warning 0 def |
/gb.warning 0 def |
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/gb.oxRingStructure [[ ] [ ]] def |
/rank.v [(x) (y) (z)] def %% default value of v (variables). |
/rank.v [(x) (y) (z)] def %% default value of v (variables). |
/rank.ch [ ] def %% characteristic variety. |
/rank.ch [ ] def %% characteristic variety. |
/rank.verbose 0 def |
/rank.verbose 0 def |
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] putUsages |
] putUsages |
(rrank ) messagen-quiet |
(rrank ) messagen-quiet |
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% Take the value of arg1 in prior. |
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/mergeGroebnerOptions { |
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/arg2 set |
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/arg1 set |
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[/loc /glo /ans] pushVariables |
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[ |
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/loc arg1 def |
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/glo arg2 def |
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/ans [ ] def |
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{ |
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loc tag 0 eq { /ans glo def exit } { } ifelse |
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/ans glo loc join def |
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exit |
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} loop |
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/arg1 ans def |
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] pop |
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popVariables |
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arg1 |
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} def |
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/gb.v 1 def |
/gb.v 1 def |
/gb.verbose 0 def |
/gb.verbose 0 def |
/gb.options [ ] def |
/gb.options [ ] def |
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/gb.characteristic 0 def |
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/gb.homogenized 0 def |
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/gb.autoHomogenize 1 def |
/gb { |
/gb { |
/arg1 set |
/arg1 set |
[/in-gb /aa /typev /setarg /f /v |
[/in-gb /aa /typev /setarg /f /v |
/gg /wv /termorder /vec /ans /rr /mm |
/gg /wv /termorder /vec /ans /rr /mm |
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/degreeShift /env2 /groebnerOptions |
] pushVariables |
] pushVariables |
[(CurrentRingp) (KanGBmessage)] pushEnv |
[(CurrentRingp) (KanGBmessage)] pushEnv |
[ |
[ |
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|
/aa arg1 def |
/aa arg1 def |
aa isArray { } { ( << array >> gb) error } ifelse |
aa isArray { } { ( << array >> gb) error } ifelse |
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aa getAttributeList configureGroebnerOption /groebnerOptions set |
/setarg 0 def |
/setarg 0 def |
/wv 0 def |
/wv 0 def |
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/degreeShift 0 def |
aa { tag } map /typev set |
aa { tag } map /typev set |
typev [ ArrayP ] eq |
typev [ ArrayP ] eq |
{ /f aa 0 get def |
{ /f aa 0 get def |
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/v aa 1 get def |
/v aa 1 get def |
/setarg 1 def |
/setarg 1 def |
} { } ifelse |
} { } ifelse |
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typev [ArrayP RingP] eq |
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{ /f aa 0 get def |
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/v aa 1 get def |
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/setarg 1 def |
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} { } ifelse |
typev [ArrayP ArrayP] eq |
typev [ArrayP ArrayP] eq |
{ /f aa 0 get def |
{ /f aa 0 get def |
/v aa 1 get from_records def |
/v aa 1 get from_records def |
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|
/wv aa 2 get def |
/wv aa 2 get def |
/setarg 1 def |
/setarg 1 def |
} { } ifelse |
} { } ifelse |
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typev [ArrayP StringP ArrayP ArrayP] eq |
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{ /f aa 0 get def |
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/v aa 1 get def |
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/wv aa 2 get def |
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/degreeShift aa 3 get def |
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/setarg 1 def |
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} { } ifelse |
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typev [ArrayP ArrayP ArrayP ArrayP] eq |
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{ /f aa 0 get def |
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/v aa 1 get from_records def |
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/wv aa 2 get def |
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/degreeShift aa 3 get def |
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/setarg 1 def |
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} { } ifelse |
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/env1 getOptions def |
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setarg { } { (gb : Argument mismatch) error } ifelse |
setarg { } { (gb : Argument mismatch) error } ifelse |
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[(KanGBmessage) gb.verbose ] system_variable |
[(KanGBmessage) gb.verbose ] system_variable |
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%%% Start of the preprocess |
%%% Start of the preprocess |
f getRing /rr set |
v tag RingP eq { |
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/rr v def |
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}{ |
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f getRing /rr set |
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} ifelse |
%% To the normal form : matrix expression. |
%% To the normal form : matrix expression. |
f gb.toMatrixOfString /f set |
f gb.toMatrixOfString /f set |
/mm gb.itWasMatrix def |
/mm gb.itWasMatrix def |
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rr tag 0 eq { |
rr tag 0 eq |
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v isInteger not |
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or { |
%% Define our own ring |
%% Define our own ring |
v isInteger { |
v isInteger { |
(Error in gb: Specify variables) error |
(Error in gb: Specify variables) error |
} { } ifelse |
} { } ifelse |
wv isInteger { |
wv isInteger { |
[v ring_of_differential_operators |
[v ring_of_differential_operators |
0] define_ring |
gb.characteristic] define_ring |
/termorder 1 def |
/termorder 1 def |
}{ |
}{ |
[v ring_of_differential_operators |
degreeShift isInteger { |
wv weight_vector |
[v ring_of_differential_operators |
0] define_ring |
wv weight_vector |
wv gb.isTermOrder /termorder set |
gb.characteristic] define_ring |
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wv gb.isTermOrder /termorder set |
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}{ |
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[v ring_of_differential_operators |
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wv weight_vector |
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gb.characteristic |
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[(degreeShift) degreeShift] |
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] define_ring |
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wv gb.isTermOrder /termorder set |
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} ifelse |
} ifelse |
} ifelse |
} { |
} { |
%% Use the ring structre given by the input. |
%% Use the ring structre given by the input. |
v isInteger not { |
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gb.warning { |
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(Warning : the given ring definition is not used.) message |
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} { } ifelse |
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} { } ifelse |
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rr ring_def |
rr ring_def |
/wv rr gb.getWeight def |
/wv rr gb.getWeight def |
wv gb.isTermOrder /termorder set |
wv gb.isTermOrder /termorder set |
} ifelse |
} ifelse |
%%% Enf of the preprocess |
%%% Enf of the preprocess |
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gb.verbose { (gb.options = ) messagen gb.options message } { } ifelse |
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termorder { |
termorder { |
f { {. dehomogenize} map } map /f set |
/gb.homogenized 0 def |
[f gb.options] groebner_sugar 0 get /gg set |
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}{ |
}{ |
f { {. dehomogenize} map} map /f set |
/gb.homogenized 1 def |
f fromVectors { homogenize } map /f set |
} ifelse |
[f gb.options] groebner 0 get /gg set |
groebnerOptions gb.options mergeGroebnerOptions /groebnerOptions set |
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gb.verbose { (groebnerOptions = ) messagen groebnerOptions message } { } ifelse |
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termorder { |
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f { {___ dehomogenize} map } map /f set |
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[f groebnerOptions] groebner_sugar 0 get /gg set |
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}{ |
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f { {___ dehomogenize} map} map /f set |
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gb.autoHomogenize { |
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f fromVectors { homogenize } map /f set |
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} { } ifelse |
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[f groebnerOptions] groebner 0 get /gg set |
}ifelse |
}ifelse |
wv isInteger { |
wv isInteger { |
/ans [gg gg {init} map] def |
/ans [gg gg {init} map] def |
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|
/ans set |
/ans set |
}{ } |
}{ } |
ifelse |
ifelse |
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ans getRing (oxRingStructure) dc /gb.oxRingStructure set |
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%% gg getAttributeList message |
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ans gg getAttributeList setAttributeList /ans set |
%% |
%% |
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env1 restoreOptions %% degreeShift changes "grade" |
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/arg1 ans def |
/arg1 ans def |
] pop |
] pop |
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/arg1 set |
/arg1 set |
[/in-pgb /aa /typev /setarg /f /v |
[/in-pgb /aa /typev /setarg /f /v |
/gg /wv /termorder /vec /ans /rr /mm |
/gg /wv /termorder /vec /ans /rr /mm |
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/groebnerOptions |
] pushVariables |
] pushVariables |
[(CurrentRingp) (KanGBmessage) (UseCriterion1)] pushEnv |
[(CurrentRingp) (KanGBmessage) (UseCriterion1)] pushEnv |
[ |
[ |
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|
/aa arg1 def |
/aa arg1 def |
aa isArray { } { (<< array >> pgb) error } ifelse |
aa isArray { } { (<< array >> pgb) error } ifelse |
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aa getAttributeList configureGroebnerOption /groebnerOptions set |
/setarg 0 def |
/setarg 0 def |
/wv 0 def |
/wv 0 def |
aa { tag } map /typev set |
aa { tag } map /typev set |
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} { } ifelse |
} { } ifelse |
wv isInteger { |
wv isInteger { |
[v ring_of_polynomials |
[v ring_of_polynomials |
0] define_ring |
gb.characteristic] define_ring |
/termorder 1 def |
/termorder 1 def |
}{ |
}{ |
[v ring_of_polynomials |
[v ring_of_polynomials |
wv weight_vector |
wv weight_vector |
0] define_ring |
gb.characteristic] define_ring |
wv gb.isTermOrder /termorder set |
wv gb.isTermOrder /termorder set |
} ifelse |
} ifelse |
} { |
} { |
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} ifelse |
} ifelse |
%%% Enf of the preprocess |
%%% Enf of the preprocess |
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gb.verbose { (gb.options = ) messagen gb.options message } { } ifelse |
groebnerOptions gb.options mergeGroebnerOptions /groebnerOptions set |
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gb.verbose { (groebnerOptions = ) messagen groebnerOptions message } { } ifelse |
termorder { |
termorder { |
f { {. dehomogenize} map } map /f set |
f { {. dehomogenize} map } map /f set |
[(UseCriterion1) 1] system_variable |
[(UseCriterion1) 1] system_variable |
[f gb.options] groebner_sugar 0 get /gg set |
[f groebnerOptions] groebner_sugar 0 get /gg set |
[(UseCriterion1) 0] system_variable |
[(UseCriterion1) 0] system_variable |
}{ |
}{ |
f { {. dehomogenize} map} map /f set |
f { {. dehomogenize} map} map /f set |
f fromVectors { homogenize } map /f set |
f fromVectors { homogenize } map /f set |
[(UseCriterion1) 1] system_variable |
[(UseCriterion1) 1] system_variable |
[f gb.options] groebner 0 get /gg set |
[f groebnerOptions] groebner 0 get /gg set |
[(UseCriterion1) 0] system_variable |
[(UseCriterion1) 0] system_variable |
}ifelse |
}ifelse |
wv isInteger { |
wv isInteger { |
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}{ } |
}{ } |
ifelse |
ifelse |
%% |
%% |
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ans gg getAttributeList setAttributeList /ans set |
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/arg1 ans def |
/arg1 ans def |
] pop |
] pop |
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(a : [f ]; array f; f is a set of generators of an ideal in a ring.) |
(a : [f ]; array f; f is a set of generators of an ideal in a ring.) |
(a : [f v]; array f; string v; v is the variables. ) |
(a : [f v]; array f; string v; v is the variables. ) |
(a : [f v w]; array f; string v; array of array w; w is the weight matirx.) |
(a : [f v w]; array f; string v; array of array w; w is the weight matirx.) |
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(a : [f v w ds]; array f; string v; array of array w; w is the weight matirx.) |
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( array ds; ds is the degree shift ) |
( ) |
( ) |
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(gb.authoHomogenize 1 [default]) |
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(gb.oxRingStructure ) |
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( ) |
$Example 1: [ [( (x Dx)^2 + (y Dy)^2 -1) ( x y Dx Dy -1)] (x,y) $ |
$Example 1: [ [( (x Dx)^2 + (y Dy)^2 -1) ( x y Dx Dy -1)] (x,y) $ |
$ [ [ (Dx) 1 ] ] ] gb pmat ; $ |
$ [ [ (Dx) 1 ] ] ] gb pmat ; $ |
(Example 2: ) |
(Example 2: ) |
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$Example 4: [[ [(x^2) (y+x)] [(x+y) (y^3)] [(2 x^2+x y) (y+x+x y^3)]] (x,y) $ |
$Example 4: [[ [(x^2) (y+x)] [(x+y) (y^3)] [(2 x^2+x y) (y+x+x y^3)]] (x,y) $ |
$ [ [ (x) -1 (y) -1] ] ] gb pmat ; $ |
$ [ [ (x) -1 (y) -1] ] ] gb pmat ; $ |
( ) |
( ) |
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$Example 5: [[ [(x^2) (y+x)] [(x+y) (y^3)] [(2 x^2+x y) (y+x+x y^3)]] (x,y) $ |
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$ [ [ (x) -1 (y) -1] ] [[0 1] [-3 1] ] ] gb pmat ; $ |
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( ) |
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$Example 6: [ [( (x Dx)^2 + (y Dy)^2 - x y Dx Dy + 1) ( x y Dx Dy -1)] (x,y) $ |
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$ [ [ (Dx) 1 ] ] ] [(reduceOnly) 1] setAttributeList gb pmat ; $ |
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( ) |
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$Example 7: [ [( (x Dx)^2 + (y Dy)^2 + 1) ( x y Dx Dy -1)] (x,y) $ |
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$ [ [ (Dx) 1 ] ] ] [(gbCheck) 1] setAttributeList gb getAttributeList ::$ |
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( ) |
(cf. gb, groebner, groebner_sugar, syz. ) |
(cf. gb, groebner, groebner_sugar, syz. ) |
]] putUsages |
]] putUsages |
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$Example 1: [(x,y) ring_of_polynomials 0] define_ring $ |
$Example 1: [(x,y) ring_of_polynomials 0] define_ring $ |
$ [ [(x^2+y^2-4). (x y -1).] ] pgb :: $ |
$ [ [(x^2+y^2-4). (x y -1).] ] pgb :: $ |
$Example 2: [ [(x^2+y^2) (x y)] (x,y) [ [(x) -1 (y) -1] ] ] pgb :: $ |
$Example 2: [ [(x^2+y^2) (x y)] (x,y) [ [(x) -1 (y) -1] ] ] pgb :: $ |
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$Example 3: [ [(x^2+y^2 + x y ) (x y)] (x,y) [ [(x) -1 (y) -1] ] ] $ |
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$ [(reduceOnly) 1] setAttributeList pgb :: $ |
(cf. gb, groebner, groebner_sugar, syz. ) |
(cf. gb, groebner, groebner_sugar, syz. ) |
]] putUsages |
]] putUsages |
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/v aa 1 get def |
/v aa 1 get def |
/setarg 1 def |
/setarg 1 def |
} { } ifelse |
} { } ifelse |
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typev [ArrayP RingP] eq |
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{ /f aa 0 get def |
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/v aa 1 get def |
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/setarg 1 def |
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} { } ifelse |
typev [ArrayP ArrayP] eq |
typev [ArrayP ArrayP] eq |
{ /f aa 0 get def |
{ /f aa 0 get def |
/v aa 1 get from_records def |
/v aa 1 get from_records def |
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|
/wv aa 2 get def |
/wv aa 2 get def |
/setarg 1 def |
/setarg 1 def |
} { } ifelse |
} { } ifelse |
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typev [ArrayP RingP ArrayP] eq |
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{ /f aa 0 get def |
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/v aa 1 get def |
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/wv aa 2 get def |
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/setarg 1 def |
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} { } ifelse |
typev [ArrayP ArrayP ArrayP] eq |
typev [ArrayP ArrayP ArrayP] eq |
{ /f aa 0 get def |
{ /f aa 0 get def |
/v aa 1 get from_records def |
/v aa 1 get from_records def |
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%%% Start of the preprocess |
%%% Start of the preprocess |
f getRing /rr set |
v tag RingP eq { |
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/rr v def |
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}{ |
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f getRing /rr set |
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} ifelse |
%% To the normal form : matrix expression. |
%% To the normal form : matrix expression. |
f gb.toMatrixOfString /f set |
f gb.toMatrixOfString /f set |
/mm gb.itWasMatrix def |
/mm gb.itWasMatrix def |
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[vsize gtmp] toVectors /gtmp set |
[vsize gtmp] toVectors /gtmp set |
ggall 0 gtmp put |
ggall 0 gtmp put |
}{ } ifelse |
}{ } ifelse |
/arg1 [gg dehomogenize ggall] def |
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gg getRing (oxRingStructure) dc /gb.oxRingStructure set |
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/arg1 [gg dehomogenize ggall] def |
] pop |
] pop |
popEnv |
popEnv |
popVariables |
popVariables |
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(a : [f ]; array f; f is a set of generators of an ideal in a ring.) |
(a : [f ]; array f; f is a set of generators of an ideal in a ring.) |
(a : [f v]; array f; string v; v is the variables.) |
(a : [f v]; array f; string v; v is the variables.) |
(a : [f v w]; array f; string v; array of array w; w is the weight matirx.) |
(a : [f v w]; array f; string v; array of array w; w is the weight matirx.) |
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( v may be a ring object. ) |
$Example 1: [(x,y) ring_of_polynomials 0] define_ring $ |
$Example 1: [(x,y) ring_of_polynomials 0] define_ring $ |
$ [ [(x^2+y^2-4). (x y -1).] ] syz :: $ |
$ [ [(x^2+y^2-4). (x y -1).] ] syz :: $ |
$Example 2: [ [(x^2+y^2) (x y)] (x,y) [ [(x) -1 (y) -1] ] ] syz :: $ |
$Example 2: [ [(x^2+y^2) (x y)] (x,y) [ [(x) -1 (y) -1] ] ] syz :: $ |
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/arg1 set |
/arg1 set |
[/in-gb_h /aa /typev /setarg /f /v |
[/in-gb_h /aa /typev /setarg /f /v |
/gg /wv /termorder /vec /ans /rr /mm |
/gg /wv /termorder /vec /ans /rr /mm |
/gb_h.opt |
/gb_h.opt /groebnerOptions |
] pushVariables |
] pushVariables |
[(CurrentRingp) (KanGBmessage) (Homogenize_vec)] pushEnv |
[(CurrentRingp) (KanGBmessage) (Homogenize_vec)] pushEnv |
[ |
[ |
|
|
/aa arg1 def |
/aa arg1 def |
gb.verbose { (Getting in gb_h) message } { } ifelse |
gb.verbose { (Getting in gb_h) message } { } ifelse |
aa isArray { } { ( << array >> gb_h) error } ifelse |
aa isArray { } { ( << array >> gb_h) error } ifelse |
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aa getAttributeList configureGroebnerOption /groebnerOptions set |
/setarg 0 def |
/setarg 0 def |
/wv 0 def |
/wv 0 def |
aa { tag } map /typev set |
aa { tag } map /typev set |
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|
/v aa 1 get def |
/v aa 1 get def |
/setarg 1 def |
/setarg 1 def |
} { } ifelse |
} { } ifelse |
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typev [ArrayP RingP] eq |
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{ /f aa 0 get def |
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/v aa 1 get def |
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/setarg 1 def |
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} { } ifelse |
typev [ArrayP ArrayP] eq |
typev [ArrayP ArrayP] eq |
{ /f aa 0 get def |
{ /f aa 0 get def |
/v aa 1 get from_records def |
/v aa 1 get from_records def |
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[(KanGBmessage) gb.verbose ] system_variable |
[(KanGBmessage) gb.verbose ] system_variable |
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%%% Start of the preprocess |
%%% Start of the preprocess |
f getRing /rr set |
v tag RingP eq { |
|
/rr v def |
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}{ |
|
f getRing /rr set |
|
} ifelse |
%% To the normal form : matrix expression. |
%% To the normal form : matrix expression. |
f gb.toMatrixOfString /f set |
f gb.toMatrixOfString /f set |
/mm gb.itWasMatrix def |
/mm gb.itWasMatrix def |
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|
[(Homogenize_vec) 0] system_variable |
[(Homogenize_vec) 0] system_variable |
%%% End of the preprocess |
%%% End of the preprocess |
|
|
gb.verbose { (gb.options = ) messagen gb.options message } { } ifelse |
groebnerOptions gb.options mergeGroebnerOptions /groebnerOptions set |
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gb.verbose { (groebnerOptions = ) messagen groebnerOptions message } { } ifelse |
termorder { |
termorder { |
f { {. } map } map /f set |
f { {. } map } map /f set |
[f gb.options] groebner 0 get /gg set %% Do not use sugar. |
[f groebnerOptions] groebner 0 get /gg set %% Do not use sugar. |
}{ |
}{ |
f { {. } map} map /f set |
f { {. } map} map /f set |
f fromVectors /f set |
f fromVectors /f set |
[f gb.options] groebner 0 get /gg set |
[f groebnerOptions] groebner 0 get /gg set |
}ifelse |
}ifelse |
wv isInteger { |
wv isInteger { |
/ans [gg gg {init} map] def |
/ans [gg gg {init} map] def |
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|
/ans set |
/ans set |
}{ } |
}{ } |
ifelse |
ifelse |
|
ans gg getAttributeList setAttributeList /ans set |
gb_h.opt restoreOptions |
gb_h.opt restoreOptions |
gb.verbose { (Getting out of gb_h) message } { } ifelse |
gb.verbose { (Getting out of gb_h) message } { } ifelse |
%% |
%% |
|
|
$ [(Homogenize_vec) 0] system_variable (grade) (module1v) switch_function$ |
$ [(Homogenize_vec) 0] system_variable (grade) (module1v) switch_function$ |
(a : [f ]; array f; f is a set of generators of an ideal in a ring.) |
(a : [f ]; array f; f is a set of generators of an ideal in a ring.) |
(a : [f v]; array f; string v; v is the variables. ) |
(a : [f v]; array f; string v; v is the variables. ) |
|
(a : [f r]; array f; ring r ) |
(a : [f v w]; array f; string v; array of array w; w is the weight matirx.) |
(a : [f v w]; array f; string v; array of array w; w is the weight matirx.) |
( ) |
( ) |
$Example 1: [ [( (x Dx)^2 + (y Dy)^2 -h^4) ( x y Dx Dy -h^4)] (x,y) $ |
$Example 1: [ [( (x Dx)^2 + (y Dy)^2 -h^4) ( x y Dx Dy -h^4)] (x,y) $ |
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|
$ [(2 x^5+x y^4) (y h^3 +x h^3 +x y^3)]] (x,y) $ |
$ [(2 x^5+x y^4) (y h^3 +x h^3 +x y^3)]] (x,y) $ |
$ [ [ (x) -1 (y) -1] ] ] gb_h pmat ; $ |
$ [ [ (x) -1 (y) -1] ] ] gb_h pmat ; $ |
$ This is fine because grade(v_1) = grade(v_2)+1 for all vectors. $ |
$ This is fine because grade(v_1) = grade(v_2)+1 for all vectors. $ |
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$Example 5: [ [[(h+x) (x^3 + 2 h^3 + 2 x h^2)] [(x) (x)]] (x)] $ |
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$ [(reduceOnly) 1] setAttributeList gb_h pmat $ |
( ) |
( ) |
(cf. gb, groebner, syz_h. ) |
(cf. gb, groebner, syz_h. ) |
]] putUsages |
]] putUsages |
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/v aa 1 get def |
/v aa 1 get def |
/setarg 1 def |
/setarg 1 def |
} { } ifelse |
} { } ifelse |
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typev [ArrayP RingP] eq |
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{ /f aa 0 get def |
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/v aa 1 get def |
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/setarg 1 def |
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} { } ifelse |
typev [ArrayP ArrayP] eq |
typev [ArrayP ArrayP] eq |
{ /f aa 0 get def |
{ /f aa 0 get def |
/v aa 1 get from_records def |
/v aa 1 get from_records def |
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%%% Start of the preprocess |
%%% Start of the preprocess |
f getRing /rr set |
v tag RingP eq { |
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/rr v def |
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}{ |
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f getRing /rr set |
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} ifelse |
%% To the normal form : matrix expression. |
%% To the normal form : matrix expression. |
f gb.toMatrixOfString /f set |
f gb.toMatrixOfString /f set |
/mm gb.itWasMatrix def |
/mm gb.itWasMatrix def |
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$ [(Homogenize_vec) 0] system_variable (grade) (module1v) switch_function$ |
$ [(Homogenize_vec) 0] system_variable (grade) (module1v) switch_function$ |
(a : [f ]; array f; f is a set of generators of an ideal in a ring.) |
(a : [f ]; array f; f is a set of generators of an ideal in a ring.) |
(a : [f v]; array f; string v; v is the variables.) |
(a : [f v]; array f; string v; v is the variables.) |
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(a : [f r]; array f; ring r ) |
(a : [f v w]; array f; string v; array of array w; w is the weight matirx.) |
(a : [f v w]; array f; string v; array of array w; w is the weight matirx.) |
$Example 1: [ [( (x Dx)^2 + (y Dy)^2 -h^4) ( x y Dx Dy -h^4)] (x,y) $ |
$Example 1: [ [( (x Dx)^2 + (y Dy)^2 -h^4) ( x y Dx Dy -h^4)] (x,y) $ |
$ [ [ (Dx) 1 ] ] ] syz_h pmat ; $ |
$ [ [ (Dx) 1 ] ] ] syz_h pmat ; $ |
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jjgg 0 get { [ (toe_) 3 -1 roll ] gbext } map |
jjgg 0 get { [ (toe_) 3 -1 roll ] gbext } map |
/jjgg set |
/jjgg set |
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gb.verbose { (Comparing) message iigg message (and) message jjgg message } |
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{ } ifelse |
gb.verbose { ( ii < jj ?) messagen } { } ifelse |
gb.verbose { ( ii < jj ?) messagen } { } ifelse |
iigg length /n set |
iigg length /n set |
0 1 n 1 sub { |
0 1 n 1 sub { |
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$ [[(x Dx -h^2) (0)] [(Dx^2) (1)] [(Dx^3) (Dx)]] (x,y)] isSameIdeal_h $ |
$ [[(x Dx -h^2) (0)] [(Dx^2) (1)] [(Dx^3) (Dx)]] (x,y)] isSameIdeal_h $ |
]] putUsages |
]] putUsages |
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/gb.reduction { |
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/arg2 set |
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/arg1 set |
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[/in-gb.reduction /gbasis /flist /ans /gbasis2 |
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] pushVariables |
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[(CurrentRingp) (KanGBmessage)] pushEnv |
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[ |
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/gbasis arg2 def |
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/flist arg1 def |
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gbasis 0 get tag 6 eq { } |
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{ (gb.reduction: the second argument must be a list of lists) error } |
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ifelse |
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gbasis length 1 eq { |
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gbasis getRing ring_def |
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/gbasis2 gbasis 0 get def |
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} { |
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[ [(1)] ] gbasis rest join gb 0 get getRing ring_def |
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/gbasis2 gbasis 0 get ___ def |
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} ifelse |
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( ) message-quiet ; |
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flist ___ /flist set |
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flist tag 6 eq { |
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flist { gbasis2 reduction } map /ans set |
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}{ |
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flist gbasis2 reduction /ans set |
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} ifelse |
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/arg1 ans def |
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] pop |
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popEnv |
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popVariables |
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arg1 |
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} def |
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/gb.reduction_noh { |
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/arg2 set |
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/arg1 set |
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[/in-gb.reduction_noh /gbasis /flist /ans /gbasis2 |
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] pushVariables |
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[(CurrentRingp) (KanGBmessage) (Homogenize)] pushEnv |
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[ |
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/gbasis arg2 def |
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/flist arg1 def |
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gbasis 0 get tag 6 eq { } |
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{ (gb.reduction_noh: the second argument must be a list of lists) error } |
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ifelse |
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gbasis length 1 eq { |
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gbasis getRing ring_def |
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/gbasis2 gbasis 0 get def |
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} { |
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[ [(1)] ] gbasis rest join gb 0 get getRing ring_def |
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/gbasis2 gbasis 0 get ___ def |
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} ifelse |
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flist ___ /flist set |
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[(Homogenize) 0] system_variable |
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flist tag 6 eq { |
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flist { gbasis2 reduction } map /ans set |
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}{ |
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flist gbasis2 reduction /ans set |
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} ifelse |
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/arg1 ans def |
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] pop |
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popEnv |
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popVariables |
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arg1 |
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} def |
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/gb.reduction.test { |
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[ |
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[( 2*(1-x-y) Dx + 1 ) ( 2*(1-x-y) Dy + 1 )] |
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(x,y) [[(Dx) 1 (Dy) 1] [(x) -1 (y) -1 (Dx) 1 (Dy) 1]]] |
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gb /gg set |
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((h-x-y)*Dx) [gg 0 get] gb.reduction /gg2 set |
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gg2 message |
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(-----------------------------) message |
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[[( 2*(h-x-y) Dx + h^2 ) ( 2*(h-x-y) Dy + h^2 )] |
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(x,y) [[(Dx) 1 (Dy) 1] [(x) -1 (y) -1 (Dx) 1 (Dy) 1]]] /ggg set |
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((h-x-y)*Dx) ggg gb.reduction /gg4 set |
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gg4 message |
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(-----------------------------) message |
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[gg2 gg4] |
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} def |
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[(gb.reduction) |
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[ (f basis gb.reduction r) |
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(f is reduced by basis by the normal form algorithm.) |
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(The first element of basis <g_1,...,g_m> must be a Grobner basis.) |
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(r is the return value format of reduction;) |
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(r=[h,c0,syz,input], h = c0 f + \sum syz_i g_i) |
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(basis is given in the argument format of gb.) |
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$h[1,1](D)-homogenization is used.$ |
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(cf. reduction, gb, ecartd.gb, gb.reduction.test ) |
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$Example:$ |
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$ [[( 2*(h-x-y) Dx + h^2 ) ( 2*(h-x-y) Dy + h^2 )] $ |
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$ (x,y) [[(Dx) 1 (Dy) 1] [(x) -1 (y) -1 (Dx) 1 (Dy) 1]]] /ggg set $ |
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$ ((h-x-y)^2*Dx*Dy) ggg gb.reduction :: $ |
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]] putUsages |
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[(gb.reduction_noh) |
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[ (f basis gb.reduction_noh r) |
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(f is reduced by basis by the normal form algorithm.) |
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(The first element of basis <g_1,...,g_m> must be a Grobner basis.) |
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(r is the return value format of reduction;) |
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(r=[h,c0,syz,input], h = c0 f + \sum syz_i g_i) |
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(basis is given in the argument format of gb.) |
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(cf. gb.reduction, gb ) |
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$Example:$ |
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$ [[( 2*Dx + 1 ) ( 2*Dy + 1 )] $ |
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$ (x,y) [[(Dx) 1 (Dy) 1]]] /ggg set $ |
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$ ((1-x-y)^2*Dx*Dy) ggg gb.reduction_noh :: $ |
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]] putUsages |
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( ) message-quiet ; |
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/hol_loaded 1 def |
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