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Introduction to GnuPlot

College of Natural Sciences Computing Laboratories
University of Northern Iowa
Cedar Falls, IA 50614

The features and topics on Gnuplot covered in this document include :

• Starting and Quitting Gnuplot
• Specifying Functions in Gnuplot
• A Simple Example
• 2D plots
• 3D plots
  • Hidden 3D view
  • Increasing Resolution of 3D plots
  • Adding Contour Lines
  • Changing Perspective
• Parametric Plots
• Polar Plots
• Plotting Data
  • 3D Data Plots
• Generating Output
  • Printing directly to a printer
  • Outputing to a Postscript file
  • Outputing to a Graphics File (.jpeg)
• Nifty Tricks
  • Saving and Loading work from files
  • Using a Log Scale
  • Displaying a Grid behind Graph
  • Overlaying Multiple Plots
  • Changing Style of Lines
  • Evaulating Expressions
  • Defining Your own functions
  • Changing Variables Used
  • Changing Axis Labels
  • Changing General Appearance of Plot

• GnuPlot for Windows
• Installing GnuPlot on your Windows PC

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