MATLAB: Dividing a matrix into equal submatrices

matrices

Hello all,

I need to take a matrix that is one column of non integers and divide it into 10 equal length matrices that are 1/10 of the original, but still one column, for analysis. mat2cell doesn't work on non integers and nothing I have been searching in has given an answer. I'm fairly new to MATLAB, so please be kind if this is a fairly simple request. Any help would be awesome.

Thanks, Matt

Best Answer

I assume that your vector, x, is n-by-1 where n is divisible by 10.

Try

xIntoTenPieces = reshape(x,[],10);

which produces a matrix, each column is is 1/10 of the original vector x. You can access the kth column with the syntax

xIntoTenPieces(:,k)

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Try the same example with:

X={1, 'a'; 'b', 3.14};
K1=X(2,:)
[K21 K22]=X{2,:}

Then use

whos

to see that K1 is a cell, i.e., it only puts part from X into K1, while [K21 K22] is [char double], extracting the contents of the cell into a matrix. The first operation (K1) is another way for cell concatenation.

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out = mat2cell(A,10*ones(30,1),size(A,2))

Best Answer

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