gsubtract Error
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Hello,
Fairly new to MATLAB and having some issues with a code I'm working with. I'm attempting to produce a multivariate local linear regression M file which makes use of gsubtract to find deviations from an expected value. When I run the code, which looks like this: a = (1/h(j))*gsubtract(reg(:,j),reg(:,j)');" I get the error "??? Undefined function or method 'gsubtract' for input arguments of type 'double'." I have looked everywhere for a solution to this problem, but can't seem to find why I would be having trouble with this command. h(j) is simply a vector (the command is inside a loop), and reg is just a matrix. Do I just have the wrong version of Matlab (I have R2009b) or do I have to call something special before I can use the command?
Any help would be greatly appreciated.
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Walter Roberson
am 19 Jul. 2011
gsubtract is part of the Neural Network Toolbox. If you do not have the NN Toolbox installed and licensed, you would get that error.
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Jonny
am 7 Okt. 2011
R2011 only have gsubtract.m, older versions of Matlab don't have this file :(
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