MATLAB: How to add columns to cell array

cell arrayscolumnsnovice

I have this cell array:
cells =
    'a'    'b'    'c'
    'd'    'e'    'f'
    'g'    'h'    'i'
What I want to do is add 2 columns with '-' in them.
cells =
    'a'    'b'    'c'    '-'    '-'
    'd'    'e'    'f'    '-'    '-'
    'g'    'h'    'i'    '-'    '-'
Is it possible to do it dynamically depending on the number of rows?

Best Answer

[cells repmat({'-'},3,2)]
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