Singular Manual: wedge

  | ### 5.1.169 wedge `Syntax:` `wedge (` matrix_expression`,` int_expression `)` `Type:` matrix `Purpose:` `wedge(M,n)` computes the `n`-th exterior power of the matrix `M`. `Example:`
        ring r;
        matrix m[2][3]=x,y,y,z,z,x;
        print(m);
      ==> x,y,y,
      ==> z,z,x
        print(wedge(m,2));
      ==> xz-yz,-x2+yz,xy-yz
See int; matrix; minor.

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