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**50**Contributions

clear all clc; syms x A=[x 2 1;1 0 -x;5 1 x]; b=det(A) r=solve('b=0','x')

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Asked 1 year ago

r=solve(b)

accepted

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Answered 1 year ago

syms t m = [3*t 0 0; 1 t 0;0 0 t]; inv(m)

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Answered 1 year ago

syms x A=[x 2 1;1 0 -x;5 1 x]; x=-15:.1:15; plot(x,det(A)) grid on

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Asked 1 year ago

I want to plot each three diagrams in one figure

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Asked 1 year ago