How to debugg below error, Below we have attached file.

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Basavaraja V
Basavaraja V 2018-4-20
评论： Jan 2018-4-20
Error using crossval>evalFun (line 480) The function '@(xtr,ytr,xte,yte)confusionmat(yte,classify(xte,xtr,ytr),'order',order)' generated the following error: The pooled covariance matrix of TRAINING must be positive definite.
Error in crossval>getFuncVal (line 497) funResult = evalFun(funorStr,arg(:));
Error in crossval (line 343) funResult = getFuncVal(1, nData, cvp, data, funorStr, []);
Error in group_Partition (line 16) cfMat = crossval(f,X,y,'partition',cp);
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Jan
Jan 2018-4-20

The error message is:

 The pooled covariance matrix of TRAINING must be positive definite.

The posted code does not allow to check, why your data does not have such properties.

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