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Heiko Weichelt

Last seen: 15 days ago |  Active since 2016

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Answered
page-wise matrix determinant or eigenvalues
R2023a, released March 15th 2023, ships PAGEEIG as new function in the page* family: https://www.mathworks.com/help/matlab/rele...

1 year ago | 1

| accepted

Answered
LAPACK: Unable to determine CPU type, on Ubuntu and engineering sample CPU.
Please try to set the following ENVs before starting MATLAB: BLAS_VERSION=mkl.so LAPACK_VERSION=mkl.so The mechanism to...

1 year ago | 0

| accepted

Answered
What, if anything, can be done to optimize performance for modern AMD CPU's?
After intense collaboration between MathWorks and AMD, as of MATLAB R2022a, MATLAB ships a custom-built version of AOCL 3.1 that...

2 years ago | 5

Answered
I get the illegal instruction error while running Matlab code on HPC
Please reach out to technical support, as already suggested, for more help. Most likely the issue comes from the MKL that is u...

2 years ago | 0

Answered
The problem of 'conv2' with 'BLAS loading error.
The problem occurs from the fact that this particular processor is not correctly detected by MATLAB, and hence, not the right BL...

2 years ago | 0

| accepted

Answered
How do I link my mex file to mkl?
MATLAB uses Intel's MKL as BLAS and LAPACK implementation, not for FFT, however. To see how to use those symbols inside a MEX f...

3 years ago | 0

Answered
Correlation on distributed array
Hi Soumyadipta Although xcorr does not show up on the methods list of distributed methods('distributed') you can use xcorr wi...

5 years ago | 1

| accepted

Answered
svds performance on GPU is upto 10 times slower than on CPU
Hi Florian Thanks for asking this question. GPUs are only faster than CPUs if you can keep lots of threads running, and t...

6 years ago | 1

| accepted

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

8 years ago