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gnuplot Cookbook

You're reading from   gnuplot Cookbook Visual guide to every kind of graph you can make with this plotting software with this book and ebook

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Product type Paperback
Published in Feb 2012
Publisher Packt
ISBN-13 9781849517249
Length 220 pages
Edition 1st Edition
Tools
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Author (1):
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Lee Phillips Lee Phillips
Author Profile Icon Lee Phillips
Lee Phillips
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Table of Contents (18) Chapters Close

gnuplot Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Plotting Curves, Boxes, Points, and more FREE CHAPTER 2. Annotating with Labels and Legends 3. Applying Colors and Styles 4. Controlling your Tics 5. Combining Multiple Plots 6. Including Plots in Documents 7. Programming gnuplot and Dealing with Data 8. The Third Dimension 9. Using and Making Graphical User Interfaces 10. Surveying Special Topics Finding Help and Information
Index

Plotting points with curves


In addition to the two main styles we have encountered for the plotting of 2D data or functions—namely a curve or a series of markers—gnuplot offers a third style consisting of a curve overlaid with markers. This style is useful in plotting tabulated data, where different marker styles can be used to distinguish between different data sets and the smooth line connecting them serves to guide the eye. The linespoints style is also favored by some even when plotting mathematical functions, where different marker styles are used to indicate the function being plotted rather than different line types (dot and dash patterns).

The next recipe shows in detail how to select these various marker styles; here we introduce the use of the linespoints plotting style.

How to do it…

The following command creates the previous figure:

plot sin(x)/x with linespoints ps 2 pt 6

How it works…

We select the linespoints style with the phrase with linespoints. The expression ps 2 selects a...

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