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Sandra Martinez


Last seen: ongeveer een maand ago Active since 2021

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pointwise multiplication with ndSparse arrays slower than using full arrays
Hi Matt. I measure the times making pontiwise multiplication with full arrays vs ndSparse arrays and the first one tooks less t...

ongeveer 2 maanden ago | 0 answers | 0

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pointwise multiplication of sparse matrix with full array
Yes, this works now M=rand(2,2,2,2); N=[1 0;0 0]; A=ndSparse(M);%You need to download this function B=sparse(N); C=A.*B; B...

ongeveer 2 maanden ago | 0

Question


pointwise multiplication of sparse matrix with full array
How can I do this operation? A=sparse([1 0;0 0]); B=rand(2,2,2,2); C=A.*B; the only way is converting B into a sparse array ...

ongeveer 2 maanden ago | 2 answers | 0

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How can I define an array of sparse matrix? (both for GPU and CPU)
A=sparse(3,3) MT=gpuArray(A); M2(1,1)=1 %Error using gpuArray/subsasgn %Sparse gpuArrays are not supported for this function...

9 maanden ago | 2 answers | 0

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How can I do faster a loop using the GPU? (GPU: RTX 3070)
n=700; A=rand(n,n); %% Ms=gpuArray(M); As=gpuArray(A); % First questions: this loop takes to much time. How can I do thi...

9 maanden ago | 0 answers | 0

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Qustions about number of workers in parpool
I'm trying to extend the number of workers when using parpool (my computer has a total of 16 cores and 32 threads) If I do: pa...

meer dan een jaar ago | 1 answer | 0

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Problemes with Matlab compiler
I have a srcipt that uses parfor. I have no problems using Matlaba compiler 2021a. BUt, when I change thse lines (CASE 1): lo...

meer dan een jaar ago | 0 answers | 0

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