MATLAB: Converting Cell to Matrix to use Max Function

cellcell2matmatrixmax

Hello! I have a cell array of dimensions 1×1121, and I need the find the maximum value contained in this array. Since the max function only works on matrices, I was hoping to convert this cell array into a matrix. However, I keep getting an error on the dimensions when I use cell2mat. I have also tried using cell2mat(cellArray(1,:)) and as well initializing a matrix of the same dimensions to put the values (which are of type double into). Any input is greatly appreciated, thank you in advance.

Best Answer

MYCELL = {magic(3) magic(5) magic(6)}
mx = cellfun(@(x) max(x(:)),MYCELL)

mx has the maximum element for each individual cell. If you need the overall maximum, use MAX on mx.

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Let C be your cell. You can do the following:

C = cellfun(@transpose,C,'un',0);

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'p4004' is a string when the other data are double. you can't use cell2mat with mixed data types

If you need to extract a number from 'p4004'

cellArray ={'p4004' [4005] [4007]}
a=cellfun(@num2str,cellArray,'un',0)
b=regexp(a,'\d+(\.)?\d+','match')
c=cellfun(@str2double,b)

Best Answer

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