how to mirror plot "around zero" on x axis

I mean if I have frequency axis or time axis [x - axis] = from 0 to 50 for example,

how to plot same axis byt reserved in negative >>>> from -50 to o ?!

Answer 1

[Voss]

t = 0:0.1:50;
y = sin(2*pi*t/10)+0.005*t.*randn(1,numel(t)); % some random signal
plot(t,y) % original signal
hold on
plot(-t,y) % "mirrored" signal

[Belal Ahmed]

it works !

thank you so much

[Voss]

You're welcome!