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D.5.17.33 homog_part
Procedure from libraryschubert.lib (see schubert_lib).
- Usage:
- homog_part(f,n); f poly, n int
- Return:
- poly
- Purpose:
- computing the homogeneous component of a polynomial.
LIB "schubert.lib"; ring r = 0,(x,y,z),wp(1,2,3); poly f = 1+x+x2+x3+x4+y+y2+y3+z+z2+xy+xz+yz+xyz; homog_part(f,0); ==> 1 homog_part(f,1); ==> x homog_part(f,2); ==> x2+y homog_part(f,3); ==> x3+xy+z homog_part(f,4); ==> x4+y2+xz homog_part(f,5); ==> yz homog_part(f,6); ==> y3+xyz+z2 |