MATLAB: Trouble with function genfis1

fuzzygenfis1

I am having trouble with the function genfis1. It keeps telling me there is an error in the code of genfis1 itself. I do have the fuzzy toolbox installed…

The error that is given:

Undefined function or variable 'in_n'.

Error in genfis1 (line62)

numMFs=numMFs*ones(1, in_n);

Can somebody tell me why this is happening?

Best Answer

You appear to have accidentally edited your genfis1 file. In R2017b line 58 has

in_n = size(data, 2) - 1;

and you appear to have inserted an 'e' before that.

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Check with this function to check if the issue is related to the data: mustBeFinite

MATLAB: Input and output function

Please do not use ‘sum’ as a variable. This is called ‘overshadowing’ so MATLAB will try to use your variable instead of the function, throwing an error that could be difficult to find.

An anonymous function version would be:

My_Sum = @(n) sum(1:n);                                 % Anonymous Function Version

A function file version would be:

function y = My_Sum(n)
y = sum(1:n);
end

Both functions would return:

My_Result = My_Sum(10)
My_Result =
      55

Best Answer

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