MATLAB Small matlab code not working. Why ?

[imsolost]

Code is the following :

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xiter=[0.7 20 10];
mubeton=[0.100 0.80 0.70 0.60 0.50 0.25];
muair=[0.05 0.042 0.04 0.032 0.021 0.011];
zl=[5 30 70 100];

fnorm1 = @(d,a0,dmax) (a0*(1-exp(-(0.5*log(d./dmax)).^2))+exp(-(0.5*log(d./dmax)).^2));
fnorm2 = @(d,dmax,DRL) exp(-(d-dmax)./DRL);
integ=integral(@(r)((r<xiter(2)).*fnorm1(r,xiter(1),xiter(2))+(r>=xiter(2)).*fnorm2(r,xiter(2),xiter(3))),0,inf); %xiter manquant en input
funny=@(r,xiter)((r<xiter(2)).*fnorm1(r,xiter(1),xiter(2))+(r>=xiter(2)).*fnorm2(r,xiter(2),xiter(3)))./integ;

eps=@(r)(integral2(@(R,phi)(exp(-mubeton(1).*(sqrt((zl(1)+r).*(zl(1)+r) + R.*R) - zl(1).*sqrt((zl(1)+r).*(zl(1)+r) + R.*R)./(zl(1)+r))-muair(1).*(zl(1).*sqrt((zl(1)+r).*(zl(1)+r) + R.*R)./(zl(1)+r))).*R./(2.*sqrt(R.*R+(zl(1)+r).*(zl(z1)+r)))),0,inf,0,2*pi));
%produit=@(y)((eps(y)).*((funny(y,[0.7 20 10]))));
integral(@(y)((eps(y)).*((funny(y,[0.7 20 10])))),0,inf,'ArrayValued',true)

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Error is the following :

"Undefined function 'mubeton' for input arguments of type 'double'."

Why the hell MATLAB thinks this is a function wile its clearly expressed as a vector ?

Thx for any help guys :)

 

[Filip Larsen]

Perhaps because you have "mubeton(1)"?

 

[imsolost]

Thank you for your answer but i don't get what you mean. I want indeed to use the first value stored in the vector mubeton. So mubeton(1) seems right to me.

 

[Filip Larsen]

Sorry, I made a rushed suggestion on my way out the door without looking at your code properly so please disregard my answer.

 

[lewando]

The line where mubeton(1) is used is awfully long. Have you tried to break that up into multiple lines of smaller intermediate results? Thinking an interpreter weirdness. [EDIT: not likely. Have you tried a clear all?] Also this is not the whole code, so I can't reproduce your error message.

 

[FactChecker]

I suggest breaking that huge line defining eps into several "baby-step" intermediate calculations on separate lines. Error messages are no always exact about the error location.
Before that bunch of smaller lines, set temp1 = mubeton(1) and see if it accepts it.

PS. I don't have MATLAB so I can't give specific help.

 

[imsolost]

The line where mubeton(1) is used is awfully long. Have you tried to break that up into multiple lines of smaller intermediate results? Thinking an interpreter weirdness. [EDIT: not likely. Have you tried a clear all?] Also this is not the whole code, so I can't reproduce your error message.

I followed your suggestion and rewrote the code with more intermediate calculation subfunctions. It worked since problem seems to be gone.

Thank you all guys for this help.