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Diff for /OpenXM/src/kan96xx/Kan/usage.sm1 between version 1.2 and 1.4

version 1.2, 2000/01/16 07:55:42 version 1.4, 2002/02/09 06:21:02
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 %% $OpenXM$  %% $OpenXM: OpenXM/src/kan96xx/Kan/usage.sm1,v 1.3 2000/06/08 08:35:03 takayama Exp $
 %% usage.sm1  %% usage.sm1
 %%  [(key word)  %%  [(key word)
 %%    [(   )  %%    [(   )
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 [(ring_of_difference_operators)  [(ring_of_difference_operators)
  [ (string ring_of_difference_operators)   [ (string ring_of_difference_operators)
      (!!! OBSOLETE !!!)
    (  )     (  )
    (This command has not been maintained since 1996. So, there may be)     (This command has not been maintained since 1996. So, there may be)
    (troubles if it is used with new features of kan/sm1.)     (troubles if it is used with new features of kan/sm1.)
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  ]   ]
 ] putUsages  ] putUsages
   
   [(ring_of_differential_difference_operators)
    [ ([string1 string2]  ring_of_differential_difference operators)
      (This command is used to define a ring of differential-difference operators )
      (with the macros define_ring, weight_vector and elimination_order.)
      (string1 is a set of variables for differential operators.)
      (string2 is a set of variables for difference operators.)
      (The user cannot use the variable names h, e, H and E.)
      (cf. show_ring, system_variable --- CurrentRing)
      (    print_switch_status, switch_function)
      (Example: [[(x,y) (s)] ring_of_differential_difference_operators )
      (          [[(Es) 1] [(s) 1]] weight_vector 0] define_ring)
      (         Dx and Dy are corresponding differential operators to the )
      (         space variables x and y.  Try show_ring to see the commutation)
      (         relations.)
    ]
   ] putUsages
   
 [(define_ring)  [(define_ring)
   [( [varlist ring_of_??? order characteristic options] define_ring)    [( [varlist ring_of_??? order characteristic options] define_ring)
Line 278  def
Line 295  def
  [(obj toVectors vec)   [(obj toVectors vec)
   (Convert the internal expression of vector into the array <<vec>>.)    (Convert the internal expression of vector into the array <<vec>>.)
   (obj can be  [n [g1 ... gm]] where n is the length of the vector.)    (obj can be  [n [g1 ... gm]] where n is the length of the vector.)
     $cf. [(toe_) array_of_poly] gbext $
   $Example 1: [(x) ring_of_polynomials 0] define_ring  $    $Example 1: [(x) ring_of_polynomials 0] define_ring  $
   $           (e_ + 2).  toVectors :: $    $           (e_ + 2).  toVectors :: $
   (        --->  [2  , 1] )    (        --->  [2  , 1] )
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Removed from v.1.2  
changed lines
  Added in v.1.4
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