MATLAB: Cell array to matrix

cell arraysconvertMATLABmatrix

I have a cell array with 4 elements.Each with 2*2 dimensions. I want to create an 8*2 matrix with these cell arrays. I can do it as p_all=[p{1};p{2};p{3};p{4}] but it will be in a loop and I will not the know the number of elements beforehand although all the elements will be 2*2. Any suggestions?
p{1} =
      89    62
      89   166
p{2} =
     132   167
     132   208
p{3} =
     113   208
     113   281
p{4} =
      64   281
      64   320

Best Answer

Assuming that the sizes are compatible you can easily use a comma-separated list:
vertcat(p{:})
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