Undefined function 'eq' for input

2013 1 16
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4 次查看（30 天）

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It happened when I put this line in:
PooledCov = PooledCov + ((nGroup(i) - 1) / (n - k) ).* cov(input(Group,:));
Please help!!!

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Jan
Jan 2013-1-16
Please copy the complete error message.
Walter Roberson
Walter Roberson 2013-1-16
What is "input" in your situation? input() is a MATLAB library call to request input from the user; if you are trying to use "input" as a variable name it is better if you rename that variable.
Lester Lim
Lester Lim 2013-1-17
My input situation is actually a variable called from the GUI. Im doing an LDA(Linear discriminant analysis) on a picture. handles.I is the picture with the pixels loaded into and handles.lableimage is the labelled image. So I think input in this case I should put as handles.I. The program I am looking at and intending to use in my GUI is :http://matlabdatamining.blogspot.sg/2010/12/linear-discriminant-analysis-lda.html
Jan
Jan 2013-1-17
What is "a variable called from the GUI"?
Lester Lim
Lester Lim 2013-1-17
In my case I did a roipoly on a picture, writes a variable into the variable editor. The variable when opened shows the pixels/labels contained.

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Jing
Jing 2013-1-16

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Can you just run 'x=1+1'? If this line is ok. Then there should be something wrong with your variables, what it PooledCov and other variables? Can you post the 'whos' results of them?

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Lester Lim
Lester Lim 2013-1-17
Yup, variable x = 2. So its the problem with the variables right? Im currently running it in GUI for LDA. I will try to look into the variables...

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Lester Lim
Lester Lim
2013-1-16

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