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How to use mat2cell in splitapply?

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JFz
JFz am 28 Mär. 2017
Kommentiert: JFz am 4 Apr. 2017
Hi,
I used findgroup and get a G as the output. I would like to apply G to a numeric matrix (MxN) to split the matrix into several cells such that, each cell contains a smaller sized matrix (mxN).
How to write the code? I tried this but got error: Not enough input arguments. out = splitapply(mat2cell, mat, [1, 1], G); Thanks.
  1 Kommentar
Jan
Jan am 4 Apr. 2017
You use "mat2cell", which is a function call. Do you mean "@mat2cell", which is the function handle?

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Akzeptierte Antwort

Guillaume
Guillaume am 4 Apr. 2017
Is
splitapply(@(m) {m}, mat, G)
what you're after?
You could do the same with mat2cell if you really wanted, it's just slightly more complicated and pointless:
splitapply(@(m) mat2cell(m, size(m,1), size(m, 2)), mat, G)

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Sangeetha Jayaprakash
Sangeetha Jayaprakash am 4 Apr. 2017
Bearbeitet: Sangeetha Jayaprakash am 4 Apr. 2017
I am assuming you are using the "findgroups" and "splitapply" functions to group a matrix into cells. From the error, it looks like the function "mat2cell" being applied to each group is not getting the required matrix argument.
Maybe the second format specified here to use splitapply might help:

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