Plot function

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>> t=0:0.1:2*pi;
>> y=sin(t);
>> plot(t,y)

**Figure 1:** Sin wave example
$\begin{figure} \center \epsfig{width=3in,file=sin.eps} \end{figure}$

>> xlabel('t')
>> ylabel('y')
>> title('Sample Plot')

**Figure 2:** Adding a title to a figure
$\begin{figure} \center \epsfig{width=3in,file=sin2.eps} \end{figure}$