MATLAB: Efficient slicing of cell array

Question

I have a cell array of the form:

c =
  [1x100 double]
  [2x150 double]
  [3x200 double]

And I would like to create a 6×50 matrix consisting of all rows and the first 50 columns of each constituent matrix. Is there an efficient way to do this?

Answer 1

variant

cell2mat(cellfun(@(x)x(:,1:50),C,'un',0));