Appendix B: Graphing with Gnuplot 159-2-1.5-1-0.50 0.5 1 1.5 20 π /2 π 3 π /2 2 π y x sin( x ) cos(2 ∗ x ) + sin(3 ∗ x ) PRINTING AND SAVING In Windows, to print a graph from Gnuplot left-click on the icon in the upper left corner on the titlebar of the graph’s window, select “Options” and then the “Print. .” option. From there hit OK in the Page Setup dialog that appears, then hit OK in the Print Size dialog that appears. To save a graph, say, as a PNG ±le, go to the File menu on the main Gnuplot menubar, select “Output Device . ..”, and enter png in the Terminal type? text±eld, hit OK. Then, in the File menu again, select the “Output . ..” option and enter a ±lename (say, graph.png) in the Output flename? text±eld, hit OK. Now run your plot command again and you should see
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