p_terms

p_terms(poly,vlist,order)

:: Monomials appearing in the given polynomial is collected into a list.

return

list

poly

polynomial

vlist

list

order

number, list or matrix

• Defined in the package `gr'.
• This returns a list which contains all non-zero monomials in the given polynomial. The monomials are ordered according to the current type of term ordering and vlist.
• Since polynomials in a Groebner base often have very large coefficients, examining a polynomial as it is may sometimes be difficult to perform. For such a case, this function enables to examine which term is really exists.

[233] G=gr(katsura(5),[u5,u4,u3,u2,u1,u0],2)$
[234] p_terms(G[0],[u5,u4,u3,u2,u1,u0],2);
[u5,u0^31,u0^30,u0^29,u0^28,u0^27,u0^26,u0^25,u0^24,u0^23,u0^22,u0^21,u0^20,
u0^19,u0^18,u0^17,u0^16,u0^15,u0^14,u0^13,u0^12,u0^11,u0^10,u0^9,u0^8,u0^7,
u0^6,u0^5,u0^4,u0^3,u0^2,u0,1]

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