'grp2idx' error in matlab 2011b

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vivek n
vivek n on 11 Feb 2012
Edited: Abdul-Rauf Mujahid on 8 Oct 2013
I receive the "Undefined function 'grp2idx' for input arguments of type 'double'." error while using svmtrain() in 2011b. Incidentally, I also have matlab2010a but observed that I do not get this error while running the command with the 2010a version. I noted that the statistics toolbox folder is present in both versions. What is the problem and how do I overcome it?
thanks
Vivek

Answers (2)

Walter Roberson
Walter Roberson on 11 Feb 2012
It should exist.
Please check
which -all grp2idx
on both systems. On my R2008b system it shows up as toolbox/stats/grp2idx.m
  7 Comments
Tom Lane
Tom Lane on 13 Feb 2012
Would you try
which pathdef -all
and let me know what you see?
vivek n
vivek n on 13 Feb 2012
I got the result below:
..\My Documents\MATLAB\pathdef.m
C:\Program Files\MATLAB\R2011b\toolbox\local\pathdef.m % Shadowed

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wahyu
wahyu on 27 Nov 2012
i have the same problem too,, then, i search in google grp2idx.m, then i saved it, alhamdulillah my svmtrain could work well after that :D may be my instalation is not complette.

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