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Parentheses error with a function call

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What is wrong with this function call? It's so basic but don't know what I am missing.
The error is "Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters."
load('mnist.mat', 'testX');
% save('testX'); commented it based on the reply I got for this question
x=testX; % testX is a 529*784 matrix
k=5; numIter=6;
[mu, cll, ill] = gmm(x, k,numIter)
% the function definition starts like this in another file
% function [mu,CLL,ILL] = gmm(x,K,numIter)
  4 Comments
Walter Roberson
Walter Roberson on 10 May 2021
I do not see any problem with the code extract that you posted.
Perhaps the error is inside gmm function .

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Accepted Answer

VBBV
VBBV on 11 May 2021
%if true
x = load('mnist.mat', 'testX');
k=5;
numIter=6;
function [mu, cll, ill] = gmm(x, k,numIter)
Assign x directly when loading
  4 Comments
Walter Roberson
Walter Roberson on 11 May 2021
Assigning the output of load() is a good idea... it just isn't the reason you had the problem in this situation, and the change was not coded for correctly in VBBV's answer.

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More Answers (1)

Walter Roberson
Walter Roberson on 11 May 2021
[copying down from correct comment]
I do not see any problem with the code extract that you posted.
Perhaps the error is inside gmm function .

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