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D.4.7.16 kohom
Procedure from library homolog.lib (see homolog_lib).
- Usage:
- kohom(A,k); A=matrix, k=integer
- Return:
- matrix Hom(R^k,A), i.e. let A be a matrix defining a map F1-->F2
of free R-modules, then the matrix of Hom(R^k,F1)-->Hom(R^k,F2)
is computed (R=basering).
Example:
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