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i need to change a mathematical formula inside a function from a script

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Kobi
Kobi 2014-3-4
回答： Walter Roberson 2014-3-5
hi, i need to change a mathematical formula inside a function from a script. i think i shuld use a syms, so far i haven't realized how to do so,
clc
syms x
variable=x;
x=sym(variable);
a=cos(x);
a=subs(a,x,2)
this is my code above for a simple example, after substitute the x to 2 using subs i need to find a way to place this "new" formula in a function, matlab identify a as a 1x1 sym
any suggestions?

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Walter Roberson
Walter Roberson 2014-3-5
Try matlabFunction()

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