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Hello all,<div><br></div><div>Lets say that I have a square Mat A, nxn and is upper triangular. The rest elements are 0.</div><div>for example: lets say that I have a matrix 3x3 : [5 7 8;0 9 1;0 0 2]</div><div>What I want is to take the symmetric matrix: [5 7 8;7 9 1;8 1 2]</div><div>I think that I have to use MatCreateSeqSBAIJ(), but I don't understand exactly how can I use it.</div><div>What is the block?</div><div><br></div><div><br></div><div>Thank you in advance,</div><div>Helen</div> </div></body>
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