How can i convert array a= [1 0 -2] in a char b = '1 0 -2' ?

I have to convert an array in a string of character.

e.g. I have a = [1 0 -2] and i want obtain b = '1 0 -2'.

Thanks

Answer 1

[Torsten]

https://de.mathworks.com/help/matlab/ref/num2str.html