Make the examples as $"$t$,$ t$-2,$ t$+2,$ t$*2,$ t$/2".$

clear all

close all

t$=0$:$10$;

x$=[01210120121]$;

subplot$(3,1,1,1)$

plot$($t$,$x$)$

title$(\text{'}$Signal$\text{'})$

xlabel$(\text{'}$time$\text{'})$

ylabel$(\text{'}$amplitude$\text{'})$

grid on;

$\%$xis$([-2804])$;

subplot$(3,1,2)$

plot$($t$+2,$x$,\text{'}$b$\text{'})$

title$(\text{'}$scroll right'$)$

xlabel$(\text{'}$time$\text{'})$

ylabel$(\text{'}$amplitude$\text{'})$

grid on;

$\%$axis$([-2804])$;

subplot$(3,1,3)$

plot$($t$-2,$x$,\text{'}$r$\text{'})$

title$(\text{'}$scroll left'$)$

xlabel$(\text{'}$time$\text{'})$

ylabel$(\text{'}$amplitude$\text{'})$

grid on;

$\%$axis$([-2804])$;