version 1.20, 2004/05/04 08:03:30 |
version 1.30, 2004/07/29 08:13:42 |
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% $OpenXM: OpenXM/src/kan96xx/Doc/ecart.sm1,v 1.19 2004/04/29 12:04:45 takayama Exp $ |
% $OpenXM: OpenXM/src/kan96xx/Doc/ecart.sm1,v 1.29 2004/05/28 08:11:31 takayama Exp $ |
%[(parse) (hol.sm1) pushfile] extension |
(hol_loaded) boundp { } |
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{ [(parse) (hol.sm1) pushfile] extension } ifelse |
%[(parse) (appell.sm1) pushfile] extension |
%[(parse) (appell.sm1) pushfile] extension |
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(ecart.sm1 : ecart division for D, 2003/07/25 ) message-quiet |
(ecart.sm1 : ecart division for D, 2003/07/25 ) message-quiet |
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/ecart.end { endEcart } def |
/ecart.end { endEcart } def |
/ecart.autoHomogenize 1 def |
/ecart.autoHomogenize 1 def |
/ecart.needSyz 0 def |
/ecart.needSyz 0 def |
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/ecartd.gb.oxRingStructure [[ ] [ ] ] def |
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/ecartd.begin { |
/ecartd.begin { |
ecart.begin |
ecart.begin |
[(EcartAutomaticHomogenization) 1] system_variable |
[(EcartAutomaticHomogenization) 1] system_variable |
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[(EcartAutomaticHomogenization) 0] system_variable |
[(EcartAutomaticHomogenization) 0] system_variable |
} def |
} def |
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/ecart.message.quiet 0 def |
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/ecart.message { |
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ecart.message.quiet { pop } { message } ifelse |
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} def |
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/ecart.messagen { |
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ecart.message.quiet { pop } { messagen } ifelse |
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} def |
/ecart.setOpt { |
/ecart.setOpt { |
/arg1 set |
/arg1 set |
[/in-ecart.setOpt /opt /i /n /ans] pushVariables |
[/in-ecart.setOpt /opt /i /n /ans] pushVariables |
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ll (0). eq { |
ll (0). eq { |
} { |
} { |
ll getRing /rr set |
ll getRing /rr set |
ll [ [ (H) rr ,, (1) rr ,, ] |
ll [ [ @@@.Hsymbol rr ,, (1) rr ,, ] |
[ (h) rr ,, (1) rr ,, ]] replace |
[ (h) rr ,, (1) rr ,, ]] replace |
/ll set |
/ll set |
} ifelse |
} ifelse |
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ll (0). eq { |
ll (0). eq { |
} { |
} { |
ll getRing /rr set |
ll getRing /rr set |
ll [ [ (H) rr ,, (1) rr ,, ] ] replace |
ll [ [ @@@.Hsymbol rr ,, (1) rr ,, ] ] replace |
/ll set |
/ll set |
} ifelse |
} ifelse |
} ifelse |
} ifelse |
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[/in.ecart.wv1 /v] pushVariables |
[/in.ecart.wv1 /v] pushVariables |
[ |
[ |
/v arg1 def |
/v arg1 def |
[(H) (h) v to_records pop] /v set |
[@@@.Hsymbol (h) v to_records pop] /v set |
v { 1 } map /v set |
v { 1 } map /v set |
/arg1 v def |
/arg1 v def |
] pop |
] pop |
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/ecart.gb {ecartd.gb} def |
/ecart.gb {ecartd.gb} def |
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[(ecartd.gb) |
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[(See ecart.gb)]] putUsages |
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[(ecart.gb) |
[(ecart.gb) |
[(a ecart.gb b) |
[(a ecart.gb b) |
(array a; array b;) |
(array a; array b;) |
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$ [(degreeShift) ds (noAutoHomogenize) 1 (sugar) 1] -->use the sugar strate $ |
$ [(degreeShift) ds (noAutoHomogenize) 1 (sugar) 1] -->use the sugar strate $ |
( ) |
( ) |
$cf. ecarth.gb (homogenized), ecartd.gb (dehomogenize), ecartd.reduction $ |
$cf. ecarth.gb (homogenized), ecartd.gb (dehomogenize), ecartd.reduction $ |
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( ecartd.gb.oxRingStructure ) |
( ) |
( ) |
$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 ] [(x) -1 (y) -1 (Dx) 1 (Dy) 1]] ] ecart.gb pmat ; $ |
$ [ [ (Dx) 1 ] [(x) -1 (y) -1 (Dx) 1 (Dy) 1]] ] ecart.gb pmat ; $ |
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setarg { } { (ecart.gb : Argument mismatch) error } ifelse |
setarg { } { (ecart.gb : Argument mismatch) error } ifelse |
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[(KanGBmessage) ecart.gb.verbose ] system_variable |
[(KanGBmessage) ecart.gb.verbose ] system_variable |
$ecartd.gb dehomogenizes at each reduction step w.r.t. s (H).$ message |
$ecartd.gb dehomogenizes at each reduction step w.r.t. s (H).$ ecart.message |
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%%% Start of the preprocess |
%%% Start of the preprocess |
v tag RingP eq { |
v tag RingP eq { |
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(Error in gb: Specify variables) error |
(Error in gb: Specify variables) error |
} { } ifelse |
} { } ifelse |
wv isInteger { |
wv isInteger { |
(Give an weight vector such that x < 1) error |
(Give a weight vector such that x < 1) error |
}{ |
}{ |
degreeShift isInteger { |
degreeShift isInteger { |
[v ring_of_differential_operators |
[v ring_of_differential_operators |
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ecartd.begin |
ecartd.begin |
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ecart.gb.verbose { (gb.options = ) messagen gb.options message } { } ifelse |
ecart.gb.verbose { (gb.options = ) ecart.messagen gb.options ecart.message } { } ifelse |
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hdShift tag 1 eq { |
hdShift tag 1 eq { |
ecart.autoHomogenize not hdShift -1 eq or { |
ecart.autoHomogenize not hdShift -1 eq or { |
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f { {. } map} map /f set |
f { {. } map} map /f set |
} { |
} { |
% Automatic h-homogenization without degreeShift |
% Automatic h-homogenization without degreeShift |
(ecartd.gb : Input polynomial or vectors are automatically homogenized without degreeShift) message |
(ecartd.gb : Input polynomial or vectors are automatically homogenized without degreeShift) ecart.message |
f { {. ecart.dehomogenize} map} map /f set |
f { {. ecart.dehomogenize} map} map /f set |
f ecart.homogenize01 /f set |
f ecart.homogenize01 /f set |
f { { [[(H). (1).]] replace } map } map /f set |
f { { [[@@@.Hsymbol . (1).]] replace } map } map /f set |
} ifelse |
} ifelse |
} { |
} { |
% Automatic h-homogenization with degreeShift |
% Automatic h-homogenization with degreeShift |
(ecartd.gb : Input polynomial or vectors are automatically homogenized with degreeShift) message |
(ecartd.gb : Input polynomial or vectors are automatically homogenized with degreeShift) message |
f { {. ecart.dehomogenize} map} map /f set |
f { {. ecart.dehomogenize} map} map /f set |
f {/fi set [(degreeShift) hdShift fi] homogenize} map /f set |
f {/fi set [(degreeShift) hdShift fi] homogenize} map /f set |
f { { [[(H). (1).]] replace } map } map /f set |
f { { [[@@@.Hsymbol . (1).]] replace } map } map /f set |
}ifelse |
}ifelse |
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ecart.useSugar { |
ecart.useSugar { |
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ecartd.end |
ecartd.end |
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ans getRing (oxRingStructure) dc /ecartd.gb.oxRingStructure set |
%% |
%% |
env1 restoreOptions %% degreeShift changes "grade" |
env1 restoreOptions %% degreeShift changes "grade" |
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(x,y) [[(Dx) 1 (Dy) 1] [(x) -1 (y) -1 (Dx) 1 (Dy) 1]]] /ggg set |
(x,y) [[(Dx) 1 (Dy) 1] [(x) -1 (y) -1 (Dx) 1 (Dy) 1]]] /ggg set |
(Dx) ggg ecartd.reduction /gg4 set |
(Dx) ggg ecartd.reduction /gg4 set |
gg4 message |
gg4 message |
[gg2 gg3 gg4] |
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(----------- reduction by h=1 ---------------) message |
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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]]] /ggg set |
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[(Homogenize) 0] system_variable |
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(Dx) ggg ecartd.reduction /gg5 set |
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[(Homogenize) 1] system_variable |
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gg5 message |
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[gg2 gg3 gg4 gg5] |
} def |
} def |
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/ecarth.reduction { |
/ecarth.reduction { |
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(r is the return value format of reduction.) |
(r is the return value format of reduction.) |
(r=[h,c0,syz,input], h = c0 f + \sum syz_i g_i) |
(r=[h,c0,syz,input], h = c0 f + \sum syz_i g_i) |
(basis is given in the argument format of ecartd.gb.) |
(basis is given in the argument format of ecartd.gb.) |
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$h[0,1](D)-homogenization is used.$ |
(cf. reduction, ecartd.gb, ecartd.reduction.test ) |
(cf. reduction, ecartd.gb, ecartd.reduction.test ) |
$Example:$ |
$Example:$ |
$ [[( 2*(1-x-y) Dx + h ) ( 2*(1-x-y) Dy + h )] $ |
$ [[( 2*(1-x-y) Dx + h ) ( 2*(1-x-y) Dy + h )] $ |
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$ (Dx+Dy) ggg ecartd.reduction :: $ |
$ (Dx+Dy) ggg ecartd.reduction :: $ |
]] putUsages |
]] putUsages |
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/ecartd.reduction_noh { |
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/arg2 set |
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/arg1 set |
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[/in-ecarth.reduction_noh /gbasis /flist] pushVariables |
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[(Homogenize)] pushEnv |
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[ |
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/gbasis arg2 def |
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/flist arg1 def |
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[(Homogenize) 0] system_variable |
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flist gbasis ecartd.reduction /arg1 set |
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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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[(ecartd.reduction_noh) |
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[ (f basis ecartd.reduction_noh r) |
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(f is reduced by basis by the tangent cone algorithm.) |
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(The first element of basis <g_1,...,g_m> must be a standard 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 ecartd.gb and) |
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(it should not contain the variable h. cf. dehomogenize) |
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$h[0,1](D)-homogenization is NOT used.$ |
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(cf. reduction, ecartd.gb, ecartd.reduction ) |
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$Example:$ |
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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]]] /ggg set $ |
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$ (Dx+Dy) ggg ecartd.reduction_noh :: $ |
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]] putUsages |
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/ecart.stdOrder { |
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/arg1 set |
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[/in-ecart.stdOrder /vv /tt /dvv /wv1 /wv2 |
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] pushVariables |
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[ |
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/vv arg1 def |
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vv isString { [ vv to_records pop] /vv set } |
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{ } ifelse |
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vv { toString} map /vv set |
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vv { /tt set [@@@.Dsymbol tt] cat } map /dvv set |
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dvv { 1 } map /wv1 set |
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vv { -1 } map dvv { 1 } map join /wv2 set |
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/arg1 [wv1 wv2 ] 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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/ecartd.isSameIdeal_h { |
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/arg1 set |
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[/in-ecartd.isSameIdeal_h /aa /ii /jj /iigg /jjgg /vv /ans /k /n /f |
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/ecartd.isSameIdeal_h.opt |
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/save-ecart.autoHomogenize /wv /save-ecart.message.quiet |
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] pushVariables |
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[(CurrentRingp) (Homogenize_vec)] pushEnv |
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[ |
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/aa arg1 def |
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gb.verbose { (Getting in ecartd.isSameIdeal_h) message } { } ifelse |
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%% comparison of hilbert series has not yet been implemented. |
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/save-ecart.message.quiet ecart.message.quiet def |
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aa length 3 eq { } |
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{ ([ii jj vv] ecartd.isSameIdeal_h) error } ifelse |
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/ii aa 0 get def |
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/jj aa 1 get def |
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/vv aa 2 get def |
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ii length 0 eq jj length 0 eq and |
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{ /ans 1 def /LLL.ecartd.isSame_h goto } { } ifelse |
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vv ecart.stdOrder /wv set |
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/save-ecart.autoHomogenize ecart.autoHomogenize def |
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/ecart.autoHomogenize 0 def |
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[ii vv wv] ecartd.gb /iigg set |
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[jj vv wv] ecartd.gb /jjgg set |
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save-ecart.autoHomogenize /ecart.autoHomogenize set |
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iigg getRing ring_def |
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getOptions /ecartd.isSameIdeal_h.opt set |
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/ans 1 def |
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iigg 0 get /iigg set |
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jjgg 0 get /jjgg set |
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%%Bug: not implemented for the case of module. |
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/save-ecart.message.quiet ecart.message.quiet def |
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/ecart.message.quiet 1 def |
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gb.verbose { (Comparing) message iigg message (and) message jjgg message } |
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{ } ifelse |
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gb.verbose { ( ii < jj ?) messagen } { } ifelse |
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iigg length /n set |
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0 1 n 1 sub { |
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/k set |
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iigg k get |
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[jjgg vv wv] ecartd.reduction 0 get |
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(0). eq not { /ans 0 def /LLL.ecartd.isSame_h goto} { } ifelse |
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gb.verbose { (o) messagen } { } ifelse |
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} for |
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gb.verbose { ( jj < ii ?) messagen } { } ifelse |
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jjgg length /n set |
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0 1 n 1 sub { |
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/k set |
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jjgg k get |
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[iigg vv wv] ecartd.reduction 0 get |
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(0). eq not { /ans 0 def /LLL.ecartd.isSame_h goto} { } ifelse |
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gb.verbose { (o) messagen } { } ifelse |
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} for |
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/LLL.ecartd.isSame_h |
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gb.verbose { ( Done) message } { } ifelse |
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save-ecart.message.quiet /ecart.message.quiet set |
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ecartd.isSameIdeal_h.opt restoreOptions |
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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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(ecartd.isSameIdeal_h ) messagen-quiet |
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[(ecartd.isSameIdeal_h) |
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[([ii jj vv] ecartd.isSameIdeal_h bool) |
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(ii, jj : ideal, vv : variables) |
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$The ideals ii and jj will be compared in the ring h[0,1](D).$ |
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$ii and jj are re-parsed.$ |
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$Example 1: [ [((1-x) Dx + h)] [((1-x)^2 Dx + h (1-x))] (x)] ecartd.isSameIdeal_h $ |
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]] putUsages |
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/ecart.01Order { |
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/arg1 set |
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[/in-ecart.01Order /vv /tt /dvv /wv1 /wv2 |
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] pushVariables |
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[ |
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/vv arg1 def |
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vv isString { [ vv to_records pop] /vv set } |
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{ } ifelse |
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vv { toString} map /vv set |
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vv { /tt set [@@@.Dsymbol tt] cat } map /dvv set |
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dvv { 1 } map /wv1 set |
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/arg1 [wv1] 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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/ecart.homogenize01Ideal { |
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/arg1 set |
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[/in.ecart.homogenize01Ideal /ll /vv /wv /ans] pushVariables |
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[ |
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/ll arg1 0 get def |
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/vv arg1 1 get def |
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vv isArray { vv from_records /vv set } { } ifelse |
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vv ecart.01Order /wv set |
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[vv ring_of_differential_operators 0] define_ring |
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ll ,,, /ll set ll dehomogenize /ll set |
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[ll vv wv] gb 0 get /ll set |
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ecart.begin |
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[vv ring_of_differential_operators |
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vv ecart.stdOrder weight_vector 0 |
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[(weightedHomogenization) 1]] define_ring |
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ll ,,, {ecart.homogenize01 ecart.dehomogenizeH} map /ans set |
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ecart.end |
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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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[(ecart.homogenize01Ideal) |
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[([ii vv] ecartd.homogenize01Ideal) |
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(ii : ideal, vv : variables) |
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$The ideal ii is homogenized in h[0,1](D).$ |
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$Example 1: [ [((1-x) Dx + 1)] (x)] ecart.homogenize01Ideal $ |
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]] putUsages |
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( ) message-quiet |
( ) message-quiet |
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/ecart_loaded 1 def |
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