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rowcomprX Scilab Group Scilab Function rowcomprX
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rowcompr - row compression of polynomial matrix
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Y : square polynomial matrix (left unimodular basis)
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Ac : Ac=X*A, polynomial matrix
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row compression of polynomial matrix A .
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X is a left polynomial unimodular basis which row compressed thee rows of
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A. rk is the normal rank of A.
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Warning: elimination of "small" terms (use with care!).