how can I pass an equation as input parameter to function

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Eman Ahmed Elsayed
Eman Ahmed Elsayed 2011-5-31
评论： Ayesha Khan 2023-3-11
I write s function which take two parameter the first is an equation and the second is an integer number and I want to substitute with this number in the equation and return the result.
function result=sub(a,c)
%UNTITLED3 Summary of this function goes here
% Detailed explanation goes here
result=subs(a,c);
end
when I test it on command window I write
>> result=sub(2*x,1)
I get an error
??? Undefined function or variable 'x'.

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回答（1 个）

Eman Ahmed Elsayed
Eman Ahmed Elsayed 2011-5-31
I solved my problem
I wrote the function like the following
>> f=@(x) 2*x + 1
and then passed it to the function

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