For loop that replaces string in array to numbers

I need to make a for loop that replaces the numbers in an array from string to a number. example '22.222' to just 22.222

[Stephen23]

https://www.mathworks.com/help/matlab/ref/str2double.html

[Shawntae Harris]

str2double returns back an array full of NaN

[Stephen23]

@hawntae Harris : please save the data in a .mat file and then click the paperclip button to upload it here.

[Shawntae Harris]

here it is

Answer 1

[Harsha Priya Daggubati]

Hi,

Along with '.m' file, it would help if you can share the contents of data or your text file you are trying to read.

I tried this at my end:

a = ["2.222","452.1512","4151.1545","262.154","55.54","653.265"]
double(a)