Retta Moges Ashagrie
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Question
ichol encountered a nonpositive pivot
I have 2527676x2527676 sparse matrix K that ichol gives up easily with the ''ichol encountered a nonpositive pivot'' error. I t...
5 years ago | 1 answer | 1
1
answerIs there a simple way to rearrange a matrix into a diagonally dominant form?
diag_som=trace(a) mat_som=sum(a,2)-diag(a) test=any(mat_som>=diag_som)
5 years ago | 0