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7.7.20.0. isUpperTriangular
Procedure from library ncpreim.lib (see ncpreim_lib).

Usage:
isUpperTriangular(M[,k]); M a matrix, k an optional int

Return:
int, 1 if the given matrix is upper triangular,
0 otherwise.

Note:
If k<>0 is given, it is checked whether M is strictly upper triangular.

Example:
 


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            User manual for Singular version 3-1-6, Dec 2012, generated by texi2html.