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D.3.1.10 skewmat

Procedure from library matrix.lib (see matrix_lib).

Usage:
skewmat(n[,id]); n integer, id ideal

Return:
skew-symmetric nxn matrix, with entries from id
(default: id=maxideal(1))
skewmat(n); creates the generic skew-symmetric matrix

Note:
if id has less than n*(n-1)/2 elements, the matrix is
filled with 0's,

Example:
 


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