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D.12.4.1 ecart
Procedure from libraryteachstd.lib (see teachstd_lib).
- Usage:
- ecart(f); f poly or vector
- Return:
- the ecart e of f of type int
LIB "teachstd.lib"; ring r=0,(x,y,z),ls; ecart((y+z+x+xyz)**2); ==> 4 ring s=0,(x,y,z),dp; ecart((y+z+x+xyz)**2); ==> 0 |