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<H4><A ID="SECTION00020010000000000000">
Example 1:</A>
</H4> Here is a first example, producing a plot for
this document. The GNUPLOT input file is given below, and the output
appears as Figure <A HREF="node3_ct.html#eg1"><IMG ALT="[*]" SRC="crossref.png"></A>. The input file defines the output to be
in L<SUP><SMALL>A</SMALL></SUP>T<SMALL>E</SMALL>X, gives a file name for the output, and plots <I>y</I> = <I>sin</I>(<I>x</I>) for
<I>x</I> on <!– MATH
[- π, π]
–>
[- <I>π</I>, <I>π</I>]. To produce the figure, I simply
<code></code> in a <TT>center</TT> environment in a <TT>figure</TT>
environment. In following examples, I will enclose the figure in a box
to make it look a little better.
<P>
<PRE> set terminal latex set output "eg1.tex" plot [-3.14:3.14] sin(x) </PRE>
<P>
<DIV class="CENTER"><A ID="eg1"></A><A ID="81"></A> <TABLE> <CAPTION class="BOTTOM"><STRONG>Figure:</STRONG> A first example: <I>y</I> = <I>sin</I>(<I>x</I>)</CAPTION> <TR><TD><IMG STYLE="" SRC="img1.png" ALT="
<P> Note that GNUPLOT has drawn in the axes, labeled the tic marks for us, scaled the <I>y</I> axis automatically, and added a key in the upper-right-hand corner (this may be moved with the <TT>set key</TT> command, and removed with <TT>set nokey</TT>).
<P> This is the default line style for the L<SUP><SMALL>A</SMALL></SUP>T<SMALL>E</SMALL>X driver. Because of the limited picture capabilities of L<SUP><SMALL>A</SMALL></SUP>T<SMALL>E</SMALL>X, many dots are required to approximate drawing a solid line. This may overload the memory of many T<SMALL>E</SMALL>X implementations. There are other line types available that draw dotted lines and use much less memory. The EEPIC driver draws solid lines with much less memory usage.
<P>
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