merge number and character

hi, how i can merge this x=3 y='-'

when do z=[x y] i get z =

- this symbol is appearing as square in command of matlab i need the result be 3 - how get that?

thanks

[Image Analyst]

Explain why you want that.

Answer 1

[Walter Roberson]

You cannot. Anyone one array can be numeric or character, but not both at the same time.

Perhaps you want

z = [num2str(x) y];

Answer 2

[Kye Taylor]

If

x = 3; y = '-';

merge with

[num2str(x),y]