Singular Manual: deform

| #### D.6.15.2 deform Procedure from library `sing.lib` (see sing_lib). Usage: deform(id); id=ideal or poly Return: matrix, columns are kbase of infinitesimal deformations Example:
    LIB "sing.lib";
    ring r   = 32003,(x,y,z),ds;
    ideal i  = xy,xz,yz;
    matrix T = deform(i);
    print(T);
    ==> x,0,0,
    ==> 0,0,z,
    ==> 0,y,0
    print(deform(x3+y5+z2));
    ==> xy3,y3,xy2,y2,xy,y,x,1

User manual for Singular version 4-1-2, 2019, generated by texi2html.