What the chart is the code matlab $?$

T$=-5$:$0,001$:$10*$

X$=(10*$exp$(-2*$t$)).*$ectangularPulse $(-3/4,13/4,$ t$)$ ; y$-$rectangularPulse $(-1/2,3/2,$ t$)$ ;y$\_$conv $=$ conv $($x$,$ Y$)$;$=-10$:$0,001$:$20$plot $($t$,$ my$\_$conv, 'linewidth', $2)$