get the reflection of function

how can i get the reflection f(-t) of f(t) ?

[Image Analyst]

Uh, pass in -t instead of t??? Maybe I'm not understanding what you want.

Answer 1

[KSSV]

t = linspace(0,2*pi) ;
f = @(t) sin(t) ;
figure
hold on
% f(t)
y1 = plot(t,f(t),'r') ;
%f(-t) 
y2 = plot(t,f(-t),'b') ;
legend('f(t)','f(-t)')