#!/usr/bin/perl -w use strict; use Chart::Gnuplot; # Initiate the chart object my $chart = Chart::Gnuplot->new( output => 'chartFmt_1.png', title => 'My chart title', # chart title ); # Data sets my $data = Chart::Gnuplot::DataSet->new( func => "tanh(x)", ); # Plot the graph $chart->plot2d($data);