Singular Manual: generatorsOfLinealitySpace

| #### D.13.2.21 generatorsOfLinealitySpace Procedure from library `gfan.lib` (see gfan_lib). Usage: generatorsOfLinealitySpace(c); c cone Return: bigintmat, generators of the lineality space of c Example:
    LIB "gfan.lib";
    intmat M[5][3]=
    1,0,0,
    0,1,0,
    0,0,1,
    -1,0,0,
    0,-1,0;
    cone c=coneViaPoints(M);
    bigintmat L=generatorsOfLinealitySpace(c);
    print(L);
    ==> -1, 0,0,
    ==>  0,-1,0

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