Singular Manual: lpVarAt

| #### 7.7.4.10 lpVarAt Procedure from library `freegb.lib` (see freegb_lib). Usage: lpVarAt(p, pos); p a poly, pos an int Return: poly Assume: basering is a Letterplace ring Purpose: returns the variable (as a poly) at position pos of the poly p Example:
    LIB "freegb.lib";
    ring r = 0,(x,y),dp;
    def R = makeLetterplaceRing(5);
    setring R;
    poly p = y*y*x;
    lpVarAt(p, 3);
    ==> x

User manual for Singular version 4-1-1p4, 2018, generated by texi2html.