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johnson wul


Last seen: 4 years ago |  Active since 2019

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hi here. I need your help to write my problem into matrix form. I don't real know how to do it really. could some one help me please? this is the equation to transform:
z*M i,j = M i+1,j + M i-1,j + M i,j+1 + M i,j-1 + A*(delta i,j )*M i,j i and j are indexes of the eigenfunctions M ...

4 years ago | 0 answers | 0

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Nonlinear Scrodinger equations solving in matlab
Hi every one. well I have a problem in building code for numerical scheme of a linear discret equation using finite dieference m...

4 years ago | 0

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plotting eigen vectors (nomal modes ) of a 9x9 matrix
hi kone. in your problem just use d=eig() to find your eigenvalues.

5 years ago | 0

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How to find eigenvalue of a matrix (attached) having three variables?
If your matrix is not symmetric, you should change it into a symmetric one by using the formular: symmetric_Matrix(i,j) = ur_(...

5 years ago | 0

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Eigen value eigen vectors in matlab
Nice that. is this formular for eigenvector: plot(t,x1,'o',t,x2,..,t,x10, '-*') have been used to for square matrix 10*10...

5 years ago | 0