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How to record all eigenvalues of a matrix in form of a diagonal matrix?

Ask Time:2021-09-22T05:29:33         Author:Hermi

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I used svd of a matrix A of size 64*64 in Python as follows.

U,D,V=svd(A)

Now, D is an array of all eigenvalues of A. How to rewrite all values in D as a diagonal matrix? For example, if D=[d1,d2,d3,d4], how to have

D_new=[[d1,0,0,0],[0,d2,0,0],[0,0,0,d3],[0,0,0,d4]]?

Author:Hermi,eproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.
Link to original article:https://stackoverflow.com/questions/69275761/how-to-record-all-eigenvalues-of-a-matrix-in-form-of-a-diagonal-matrix
Ayyoub ESSADEQ :

Using numpy :\nimport numpy as np \nd = [d1,d2,d3]\ndiagonal = np.diag(d)\n",
2021-09-21T21:36:57
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