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Sinwoo Jeong

Last seen: 5 mois ago
8 total contributions since 2017

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Question

Is there any better way for doing this specific "matrix multiplication"?
What I want to calculate is as follows: clc,clear all na = 1000; nb = 500; B = sprandn(na, nb, 0.1); C = sprandn(na, n...

presque 2 ans ago | 2 answers | 0

2

Question

Do we have an efficient way to do this matrix multiplication?
What I wanna do is just simple matrix multiplication of two matrix. I hope I can do this in a more efficient way. Here we have...

presque 2 ans ago | 1 answer | 0

1

Question

How can I do this operation fast and simply?
<</matlabcentral/answers/uploaded_files/138911/%EC%BA%A1%EC%B2%98.PNG>> I have a matrix [M], [N] having the shapes as in the ...

environ 2 ans ago | 1 answer | 0

1

Question

How can I use the function blkdiag without typing every single matrix?
I know we can construct a block diagonal matrix using the MATLAB function blkdiag. The way we use is out = blkdiag(a, b,...

environ 2 ans ago | 1 answer | 1

1

Question

Can I speed up this iterative ploting?
Hello. I need to plot a graph iteratively. (about 10000 times) One plot consists of a number of sub-plotting as follows. ...

environ 2 ans ago | 1 answer | 0

1

Question

How can i speed up this large matrix multiplications?
Hello. The purpose of my code is solving O.D.E. and in the function I need to do large matrix multiplication every single tim...

environ 2 ans ago | 1 answer | 0

1

Question

How can I do this 'Double integral having only one variable' fast?
Dear all, I have a function as follows: f(x) = integral(integral(g(x),0,x)*integral(h(x),0,x),a,b). Here, g(x) and h(x) are a...

plus de 2 ans ago | 0 answers | 0