| #### D.15.23.3 MSPOLY Procedure from library `stdmodule.lib` (see stdmodule_lib). Example:
    LIB "stdmodule.lib";
    // Example 1:
    ring r=QQ,(x,y,z),Dp;
    ideal A=x2-yz,xy+x,xz;
    module G=[x2yz+x2z-2,xz+xyz2-x3z],[x3y-xy2z+x3-xyz,-1],[xy+x,x2z2-x2+yz];
    MSPOLY(G,A);
    ==> _[1]=-x7y*gen(1)+3x5y2z*gen(1)-x5z3*gen(2)+x4yz3*gen(1)-3x3y3z2*gen(1)+x3\
       yz4*gen(2)+xy4z3*gen(1)-x7*gen(1)+3x5yz*gen(1)+x4z3*gen(1)-3x3y2z2*gen(1)\
       +xy3z3*gen(1)-x6*gen(2)+x5y*gen(1)+3x4yz*gen(2)+x4z2*gen(2)-2x3y2z*gen(1)\
       +x3z3*gen(2)-3x2y2z2*gen(2)-x2yz3*gen(2)+xy3z2*gen(1)+y3z3*gen(2)+x5*gen(\
       1)-2x3yz*gen(1)+xy2z2*gen(1)+x4*gen(2)-2x3z*gen(1)-2x2yz*gen(2)+x2z2*gen(\
       2)-2x2z2*gen(1)+2xyz2*gen(1)+y2z2*gen(2)
    // Example 2:
    ring r2=QQ,(x,y,z),dp;
    ideal A=x2-y,xz+z,y2-z;
    module G=[x2yz+x2z-2, xyz2+xz-x3z],[x3y+x3-xy2z-xyz,xz-xz-1],[xy+x,x2z2-x2+yz];
    MSPOLY(G,A);
    ==> _[1]=-x3z*gen(2)+x2yz*gen(1)+xyz2*gen(2)+x2z*gen(1)+xz*gen(2)-2*gen(1)
    ==> _[2]=x3y*gen(1)-xy2z*gen(1)+x3*gen(1)-xyz*gen(1)-gen(2)

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