Pre-Calc Exam Notes 155

Pre-Calc Exam Notes 155 - bin folder) where you installed...

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Appendix B Graphing with Gnuplot Gnuplot is a free, open-source software package for producing a variety of graphs. Versions are available for many operating systems. Below is a very brief tutorial on how to use Gnuplot to graph trigonometric functions. INSTALLATION 1. Go to http://www.gnuplot.info/download.html and follow the links to download the lat- est version for your operating system. For Windows, you should get the Zip ±le with a name such as gp443win32.zip , which is version 4.4.3. All the examples we will discuss require at least version 4.2.0. 2. Install the downloaded ±le. For example, in Windows you would unzip the Zip ±le you downloaded in Step 1 into some folder (use the “Use folder names” option if extracting with WinZip). 3. (Optional) Read the documentation at http://gnuplot.info/docs/gnuplot.html . RUNNING GNUPLOT 1. In Windows, run wgnuplot.exe from the folder (or
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Unformatted text preview: bin folder) where you installed Gnu-plot. In Linux, just type gnuplot in a terminal window. 2. You should now get a Gnuplot terminal with a gnuplot> command prompt. In Windows this will appear in a new window, as shown in the picture on the next page. In Linux it will appear in the terminal window where the gnuplot command was run. For Windows, if the font is unreadable you can change it by right-clicking on the text part of the Gnu-plot window and selecting the Choose Font. . option. For example, the font Courier, style Regular, size 12 is usually a good choice (that choice can be saved for future ses-sions by right-clicking in the Gnuplot window again and selecting the option to update wgnuplot.ini). 3. At the gnuplot> command prompt you can now run graphing commands, which we will now describe. 155...
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