#!/usr/bin/perl -w use strict; use Chart::Gnuplot; # Initiate the chart object my $chart = Chart::Gnuplot->new( output => 'chartFmt_2.png', xlabel => "x-axis label", ylabel => "y-axis label", ); # Data sets my $data = Chart::Gnuplot::DataSet->new( func => "tanh(x)", ); # Plot the graph $chart->plot2d($data);