#!/usr/bin/perl -w
use strict;
use Chart::Gnuplot;
# Chart object
my $chart = Chart::Gnuplot->new(
output => "plotStyle_3.png",
);
# Impulses
my $impulses = Chart::Gnuplot::DataSet->new(
func => "cos(x)",
style => "impulses",
);
# Plot the graph
$chart->plot2d($impulses);