One more : Symbolic math

2011 9 24
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see:
syms x1 x2 x3
x1 = 23/5 - x3/5 - (2*x2)/5
how to make this:
disp('x1= ',x1)
could be:
disp(['x1 = ',str2sym(x1)])
but not exist the function str2sym.
thanks advanced

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Walter Roberson
Walter Roberson 2011-9-24

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You want the opposite of the hypothetical str2sym : you want to convert a symbolic expression to a string. In MATLAB, strings are character arrays, so you want to convert to character.
disp(['x1 = ', char(x1)]);

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