examples with clapack for a beginner

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examples with clapack for a beginner

Postby jimbakl » Sat Nov 19, 2011 6:48 am

Hello everyone... I'm newbie better not newbie, but this is my 1st touch at this kind of programming. So now i must use this library solving a lot of linear algebra problems, like,
B '
B ' * w=c;
matrix transpose;
inverse of matrices; multiplication,

this is what i must know to solve my problems..
for small matrices 2*2 or 3*3 i can fix these, but now the problem contain matrices with 100000000*10000000
and i MUST use C, despite i know matlab...
i have spent about a week to install all the requirement stuff and know its time to learn about it.
Could you send me a file? or a link? where referred understandable examples for my case....
Or whatever you think that is going to help me...
Thanks you in advance!!!
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Re: examples with clapack for a beginner

Postby admin » Tue Nov 29, 2011 9:11 pm

Best is to go through the LAPACK user guide. http://www.netlib.org/lapack/lug/
For simple matrix operation, you will just need the BLAS. See http://en.wikipedia.org/wiki/Basic_Linear_Algebra_Subprograms
LAPACK is for dense matrix, the size of your matrix seems very huge for a dense matrix.
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