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Changeset 1041 for branches/f4grobner


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Timestamp:
2015-06-10T08:28:11-07:00 (10 years ago)
Author:
Marek Rychlik
Message:

* empty log message *

File:
1 edited

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  • branches/f4grobner/parse.lisp

    r1040 r1041  
    264264  "Evaluate an expression EXPR as polynomial by substituting operators
    265265+ - * expt with corresponding polynomial operators and variables VARS
    266 with monomials (1 0 ... 0), (0 1 ... 0) etc.  We use special versions
    267 of binary operators $poly+, $poly-, $minus-poly, $poly* and $poly-expt
    268 which work like the corresponding functions in the POLY package, but
    269 accept scalars as arguments as well. The result is a polynomial in internal form.
    270 This operation is somewhat similar to the function EXPAND in CAS."
     266with the corresponding polynomials in internal form.  We use special
     267versions of binary operators $poly+, $poly-, $minus-poly, $poly* and
     268$poly-expt which work like the corresponding functions in the POLY
     269package, but accept scalars as arguments as well. The result is a
     270polynomial in internal form.  This operation is somewhat similar to
     271the function EXPAND in CAS."
    271272  (cond
    272273    ((numberp expr)
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