Converting character matrix to number

I have a character matrix A that I want to convert to numbers B, but it doesn't work with str2num. Any tips? I tried B = str2num(A) but gives B = [].

A = ['02';'06';'07'];

B = [2;6;7];

[Stephen23]

Your example shows a character matrix, not a "vertical string vector" nor a "character vector".

This is a vertical string vector:

S = ["02";"006";"4"]

S = 3×1 string array
    "02"
    "006"
    "4"

This is a character vector:

V = '0001'

V = '0001'

whos

  Name      Size            Bytes  Class     Attributes

  S         3x1               258  string              
  V         1x4                 8  char                

https://www.mathworks.com/help/matlab/characters-and-strings.html

[John Taylor]

Ok, thanks. Character matrix then.

Answer 1

[Walter Roberson]

str2double(cellstr(A))

or

double(string(A))