All Questions
5 questions
1
vote
1
answer
276
views
Wrong result of 'ddot' from BLAS
I am having trouble with a C/C++ program that uses the BLAS routine ddot.
I am running Linux and so far LAPACK routines worked without any problems.
I get a wrong ...
- 25
1
vote
1
answer
167
views
Problem with 'dsysv' from LAPACK
I am having trouble with a C program that uses the function dsysv from LAPACK. Everything compiles and works without any errors, my only problem is, that the ...
- 25
1
vote
1
answer
411
views
Kronecker products and basis contractions (ie. B.A.Transpose[B]) in C?
I have implemented a basis transformation in C of the following form
kron[A,A]*B*Transpose[kron[A,A]]
where A and ...
- 11
4
votes
1
answer
2k
views
What is wrong with this matrix multiplication?
I am attempting to write a matrix multiplication routine because I need to do some analysis in CUDA and I want to validate it with CPU code. I am trying to use <...
- 2,159
3
votes
2
answers
5k
views
BLAS, LAPACK or ATLAS for Matrix Multiplication in C
I am trying to find the most optimized way to perform Matrix Multiplication of very large sizes in C language and under Windows 7 or Ubuntu 14.04. And searching led me to BLAS, LAPACK and ATLAS. ...
- 31