I made a function and m-file to call that function but for some reason its giving me an error of "Undefined function or variable y" please help to fix my code

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Function:
function MagnitudeRatio2ndOrder(E, W, w)
y= 1/(sqrt((1-(w/W)^2)^2+((2*E*w)/W)^2));
end
New m-file:
clear
E = 0.3;
W = 1;
w = 0;
hold on
MagnitudeRatio2ndOrder(E, W, w);
results = y;
disp(results)

Accepted Answer

Cris LaPierre
Cris LaPierre on 8 Mar 2022
Edited: Cris LaPierre on 10 Mar 2022
First, you need to define your function declaration to have an output variable. It looks like you want it to return y.
You need to assign the output of your function to a variable if you wish to use it. It looks like you want to name the variable results. You could do this
E = 0.3;
W = 1;
w = 0;
results = MagnitudeRatio2ndOrder(E, W, w)
results = 1
function y = MagnitudeRatio2ndOrder(E, W, w)
y= 1/(sqrt((1-(w/W)^2)^2+((2*E*w)/W)^2));
end

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