Solving matrix equations?

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Kallol Chatterjee
Kallol Chatterjee 2022-3-15
评论： Kallol Chatterjee 2022-3-16
There is a matrix equation A1-A2X+XA3-XA4X=0. where, A1,A2,A3,A4 all are [2X2] matrix. Then how to find X which is also a [2X2] matrix?

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Matt J
Matt J 2022-3-15
编辑：Matt J 2022-3-15
You can try fsolve, but you will need a good initial guess, X0.
X=fsolve(@(X) A1-A2*X+X*A3-X*A4*X, X0)
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Kallol Chatterjee
Kallol Chatterjee 2022-3-16
There is no relation between A2 and A3.
Kallol Chatterjee
Kallol Chatterjee 2022-3-16
@Matt J Thanks for helping me. It finds the solution.

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