#!/usr/bin/perl -w
use strict;
use Chart::Gnuplot;
# Create the chart object
my $chart = Chart::Gnuplot->new(
output => "lineStyle_5.png",
);
# Data set object
my $width = Chart::Gnuplot::DataSet->new(
func => "cos(x)",
style => "points",
pointsize => 3,
);
# Plot the graph
$chart->plot2d($width);