Matrix Dimension not the same

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Steve on 14 Dec 2020
Answered: Raunak Gupta on 18 Dec 2020
A= eye(3,3)
B= eye(6,6)
kron(A,A) resulting in 9x9 identity matrix, how to change the dimension of 9x9 matrix into 6x6 matrix using voight system in matlab.

Answers (1)

Raunak Gupta
Raunak Gupta on 18 Dec 2020
kron function returns kronecker tensor product of two matrices therefore size of resulting matrix will be [size(A,1)*size(B,1) size(A,2)*size(B,2)] for two matrices A and B. So, you may check if only a sub part of the matrix is required or B matrix can be different.


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