roundoff errors result in an asymmetric error in IML?

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Occasional Contributor
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roundoff errors result in an asymmetric error in IML?

A matrix(V) is supposed to be symmetric, but eventually it potentially departs from an symmetric marix. I checked the iteration steps. It looks the matrix gradually departs an symmetric matrix. Do roundoff errors result in the asymmetric matrix in IML?

At each step, I corrected the matrix by setting V=(V+V`)/2. Does it make sense? What else can I use to modify the program?

Thanks for your help in advance!!

Respected Advisor
Posts: 2,655

Re: roundoff errors result in an asymmetric error in IML?

You will probably get a quicker answer if you post this to the IML forum.  The folks there are very good.

Steve Denham

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