what's the program mistake?
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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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Mahdi
on 4 Jun 2014
Try this?
clear all
clc;
syms x
A=[x 2 1;1 0 -x;5 1 x];
b=det(A)
r=eval(solve(b==0))
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