MATLAB: Symbolic variable

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'G' is a function of symbolic variable of 'b' the solve for b gives d=solve(G) a symbolic n*1 matrix but I'm not able to find the min or max even >(greater than sign)of this matrix. Matlab shows this following error Undefined function or method 'gt' for input arguments of type 'sym'.

Best Answer

re=solve(GG); will return symbolic numbers. You need to apply double() to the symbolic numbers to convert them to floating point numbers.

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MATLAB: Is it possible to simplify symbolic expressions with known relations

I assume (link) it would!

syms x1 x2
assume(x1*x2 == 1)
a = x1*x2 + x1*x2;
b = 2*a

producing:

b =
4*x1*x2

MATLAB: Having problems displaying the real and imaginary parts of a complex root

hi, what is the problem exactly !

delete the part :

   real(r1);real(r2);
    y1=imag(r1);y2=imag(r2);

I think the code is fine :

 Enter a: 2
 Enter b: 2
 Enter c: 2
 This equation has two imaginary roots
 r1 =
-0.5000 + 0.8660i
 r2 =
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Best Answer

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MATLAB: Is it possible to simplify symbolic expressions with known relations

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