MATLAB: How to place zeros instead of blanks in array

Question

hello everyone, i have a char array of size 358695×3, that is 358695 rows and it is called B, when i write the following code str2num(B) I just have 7000 rows in the output, i found out that B has alot of blanks [] in it so i cannot use str2num, what is the way to fill those blanks in B with zeros please? so i have 358695 rows when i do the str2num on it. help please

Answer 1

If you really mean blank spaces, then e.g.

B(B==' ') = '0';