# Legend label - differential dot above letter with a subscript

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Carly Beck on 29 Jul 2019
Commented: infinity on 29 Jul 2019
I'm trying to have one of my legend labels be "X_Piston" where X has the differential dot above it and 'Piston' is in Subscript format. I can get the differential dot but cannot seem to get the subscript. Any help is appreciated, thank you!!
name = legend('$\dot{X}$');
set(name,'Interpreter','latex');

infinity on 29 Jul 2019
Hello,
name = legend('$\dot{X}_{Piston}$');
set(name,'Interpreter','latex');

infinity on 29 Jul 2019
Yes. You can do like this
name = legend('$\dot{X}_{Piston}$', '$X_{Piston}$');
set(name,'Interpreter','latex');
Carly Beck on 29 Jul 2019
thank you!
infinity on 29 Jul 2019
You are welcome!