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5.1.163 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.