How can I add normal text as well as Latex symbols on a figure axis?

I wanted to implement some latex symbols into my axis, but I'm stuck on how to add normal text to the caption.

Here is what i wanted to do:

str = '$$ Absolute x-acceleration \ddot{x_{A}} [m/s²]$$';
ylabel(str, 'Interpreter','latex');

However, putting normal text between these $ symbols, results in an error. How can I combine the text with the xA symbol (x dubble dotted and A in subscript)

Thanks in advance!

Answer 1

[Cedric]

This is something that I don't fully understand actually, and I'd love to get some explanation from TMW. Some times (maybe on older versions), I had to set the interpreter afterwards. On my 2017b this works:

 >> ylabel( '$\mbox{Absolute x-acceleration}~\ddot{x}_{A} [m/s^2]$', 'Interpreter', 'latex' ) ;

but I remember having had to do it in two operations:

 >> h_yl = ylabel( '$\mbox{Absolute x-acceleration}~\ddot{x}_{A} [m/s^2]$' ) ;
    set( h_yl, 'Interpreter', 'latex' ) ;

If you are in a situation where you leave it enough time generate a warning, you can just start by disabling that warning.

NOTE : in your expression, what was not valild was the superscript ².

[Cedric]

If this is working for you, please [Accept] this answer. If not, I am happy to discuss what is not working.