MATLAB: How to convert cell array to 3D array. I want to convert cell to mat

cell arraysMATLAB

   pu
 pu(:,:,1) = 
    [5x9 double]
 pu(:,:,2) = 
    [4x8 double]
 pu(:,:,3) = 
    [4x7 double]
 pu(:,:,4) = 
    [3x6 double]
 du
 du(:,:,1) = 
    [1x9 double]
 du(:,:,2) = 
    [1x8 double]
 du(:,:,3) = 
    [1x7 double]
 du(:,:,4) = 
    [1x6 double]
  cell2mat(pu,[],[])
 Error using cell2mat
 Too many input arguments.
du(:,:,:) = du{:,:,:}
 Conversion to cell from double is
 not possible.

Best Answer

[a,b] = cellfun(@size,pu);
n = numel(pu);
out = zeros(max(a),max(b),n)
for jj = 1:n
    out(1:a(jj),1:b(jj),jj) = pu{jj};
end
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