MATLAB: Function Generation Error (Not enough input arguments)

argumenterrorfunction

I was trying to generate a function, but repeatedly faced the same error that I could not figure out on my own. What I was doing is to simply create a parabolic function with the algorithm below:

function [y] = deneme(x)

y = x.^2;

end

The error message is "Not enough input arguments. Error in deneme (line 2) y = x.^2;"

Best Answer

Store the function in a file called deneme.m and then execute in the MATLAB command window

 y = deneme(3)

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MATLAB: Problem with parfor loop (not enough input arguments)

I solved it.

The filter function can work in two ways:

First method: filter function works with a filter object: filter(Hd, x), where Hd is a filter object exported from FilterDesigner... second method: filter function works with filter coefficients: filter(b,a,x), where b and a are filter transfer function coefficients.. x is the signal..

For some reason, parfor loop cannot process Hd.. So i just exported the coefficents in the workspace and used them inside the loop, also made a couple of changes to better optimize memory usage.

fid = fopen('bagaccx_f.txt','w');
fclose(fid);
parfor i = 1:196072
   fid = fopen('bagaccx_f.txt','a');
   fprintf(fid, '%f\t', filter(b,a, x(i,:)));
   fprintf(fid, '\n');
   fclose(fid);
end

MATLAB: Error message: “undefined function for input arguments of type ‘logical’ “

It indicates that there is no function by the name that you called for inputs of the logical type. So either you called a function that does exist, but you called it with an input that it didn't expect, or there just is no such function.

Best Answer

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MATLAB: Problem with parfor loop (not enough input arguments)

MATLAB: Error message: “undefined function for input arguments of type ‘logical’ “

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