How to define matrix with variable and solve the polynomial equation in the matrix?

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评论： Vinothkumar Sethurasu 2020-11-12

Let,

A= [1 x²; 0 1], B= [1 0; 2x 1], C= [1 3x; 0 1]

Then,

[A]*[B]*[C] = [ 1+2x² 6x²+4x; 2x 6x²+1] = [Z]

I need to solve the polynomial equation from the resultant matrix

Z(1,2) = 6x²+4x=0

the roots of the polynomial at Z(1,2) is need to be known?

Rik 2020-11-9

If you have the symbolic toolbox you should have plenty of tools to solve this equation.

Thank you.

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