Zhuoran Han
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Question
Why these two similar operations (a sparse matrix w/o transpose times a vector) take different time to finish?
n = 1e5; a = sprand(n,n,5/n); v = rand(n,1); tic; for i = 1:1e3, b = a*v; end; toc tic; for i = 1:1e3, c = a'*v; end; toc I...
meer dan 2 jaar ago | 2 answers | 0
2
answersdeleting row and column from very large Sparse matrix efficiently
This is an easy way to deal with boundary conditions in stiffness matrices, have you tried permutation? Suppose your original m...
meer dan 3 jaar ago | 0
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