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Help Needed++Inverse of 100by100 matrix

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raghav

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Dear members,
I am a preliminary student of C. I've been able to find inverse of matrix as large as 10x10.But a friend of maine needs me to do the same with a 100x100 matrix. Can you people recommend a site for finding such a programme in C or C++
I am a preliminary student of C. I've been able to find inverse of matrix as large as 10x10.But a friend of maine needs me to do the same with a 100x100 matrix. Can you people recommend a site for finding such a programme in C or C++
 

the best method as I know, is the gauss-jordan method... quite simple to implement.
 

It is not easy to get valueable result from such a large matrix with Gauss-Jordan,
Try SVD, you can find it in Numerical Recipes.

bamdad said:
the best method as I know, is the gauss-jordan method... quite simple to implement.
 

I'm just interested to know if anyone has any rough idea how long it would take to compute the inverse of a 100x100 matrix. What is the big O complexity of such a process?
 

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