5.1.136 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.