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Question: How do I transorf a matrix in to almost upper-triangular in Maple?

Question:How do I transorf a matrix in to almost upper-triangular in Maple?

VAksenov 10 Maple 13
matrix
November 09 2010
2

Hi,

I have the following problem, I have a random matrix 50×50 and I want to permute the columns in such way that the number of non-zero elements under the diagonal would be minimal. Is there any function in maple which can do this? Or should I write an algorithm my self?
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