How to create a Nx3 array from Nx4 array

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Amadeus Xu
Amadeus Xu 2020-11-27
评论： Ameer Hamza 2020-11-27
Hi all,
If I have a 100x1 cell array which contains 100 Nx4 double array where N is a variable size, how to I create a new cell array which is also 100x1, but contains a Nx3 double array that contains just columns 2,3 and 4 of the previous Nx4 array?
Hope that make sense! I'd appreciate any help with this problem.
Thanks in advance!

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Ameer Hamza
Ameer Hamza 2020-11-27
You can use cellfun()
C1; % 100x1 with Nx4 matrices
C2 = cellfun(@(x) {x(:,2:end)}, C1);

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