Xianjie

Wayne State University

2011 年からアクティブ

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9 質問
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質問

How to sort the matrix quickly?
Dear all, How to sort the matrix quickly? Now i use this code to do it. [V,DD]=eig(KK,MM); DD=abs(DD); ...

12年以上前 | 2 件の回答 | 0

2

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質問

How to use lapack in matlb to solve large eigenvalue problem
Dear all, If the matrices K and M are so larger, the computation in matlab will take a long time. How ro solve this problem. ...

12年以上前 | 2 件の回答 | 0

2

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質問

This calculate error is why?
When I calculate some integration, normally I use the for loop the code is as following: M=10;N=10;P=4; for m1=-P:M ...

12年以上前 | 2 件の回答 | 0

2

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質問

How to vectorize this condition switch code
Dear all, I have one code like this function y = intefai1(a,m1,m) % fai(m1,x)*fai(m,x) if m1 >= 0 if m >= 0 ...

12年以上前 | 2 件の回答 | 0

2

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質問

How to vectorize these codes
Dear all, these days i am dosing some modification on my code with vectorization. For the following codes: function y=ga...

12年以上前 | 2 件の回答 | 0

2

回答

質問

rotate image
When I create a image in matlab with rotate command. The image does not like the correct display. The tip is that the rotate cha...

13年弱前 | 1 件の回答 | 0

1

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質問

plot in polar coordinate with MATLAB
There is a disk. In r and angle direction, there are a number of nodes. After deformation, the coordinates is changed. How to pl...

13年弱前 | 1 件の回答 | 0

1

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質問

Integration of some function containing a singularity
Dear All, These days I am working on some integration integrate(cos(x)*sin(x)/x^t),x(0,a),a is a value. the value fot t is 1,...

約13年前 | 1 件の回答 | 0

1

回答

質問

Solve the eigenvalue foe two matrix
[V,D]=eig[K,M],if the K and M matrix is the symoblic matrix, there is one variable in matrix, how to solve this problem. Than...

13年以上前 | 1 件の回答 | 0

1

回答