In this subtask, you will use anonymous functions in Octave to provide a symbolic representation of a function. For example, the signal r$($t$)=2$ ~ e$^\{-4\backslash$pi t $+\backslash$pi$/3\}$ can be expressed as

r $=$ @$($t$)2*$exp$(-4*$pi$*$t$+$pi$/3)$;

where the @ symbol identifies the expression as an anonymous function.

Once r$($t$)$ is defined, it can be evaluated by passing the input of interest, e$.$g$.,$ r$(4\mathrm{.}1),$ r$(0$:$0\mathrm{.}1$:$5),$ or plot$($t$,$ r$($t$)).$

Now, create a figure with four subplot to display the following signals:

m$($t$)=2\backslash$sin$(5\backslash$pi t$)$

c$($t$)=\backslash$cos$(10\backslash$pi t$)$

p$($t$)=$ m$($t$)+$ c$($t$)$

q$($t$)=$ m$($t$)\backslash$times c$($t$)$