How to convert first cell value into zero

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I have a array of numbers but the first cell is always a string like below. Is there way that I put ''0" instead of "theta\phi[rad]"? Then, I can do analysis :)
theta\phi[rad] 0 0.01 0.02
0 -0.15 -0.17 -0.14
0.2 0.19 -0.13 -0.11

Accepted Answer

madhan ravi
madhan ravi on 25 Sep 2020
Edited: madhan ravi on 25 Sep 2020
cell_array(cellfun(@isstring, cell_array)) = {0}
Masoud Taleb
Masoud Taleb on 25 Sep 2020
I tried to simplify the example as my data file and main codes are very big and complicated to be uploaded. Meanwhile, it is possible that something was interfering it. Anyway, thanks for your reply and help :)

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