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GNU Octave Beginner's Guide

You're reading from   GNU Octave Beginner's Guide Become a proficient Octave user by learning this high-level scientific numerical tool from the ground up

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Product type Paperback
Published in Jun 2011
Publisher Packt
ISBN-13 9781849513326
Length 280 pages
Edition 1st Edition
Languages
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Author (1):
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Jesper Schmidt Hansen Jesper Schmidt Hansen
Author Profile Icon Jesper Schmidt Hansen
Jesper Schmidt Hansen
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Table of Contents (15) Chapters Close

GNU Octave
Credits
About the Author
About the Reviewers
1. www.PacktPub.com
2. Preface
1. Introducing GNU Octave FREE CHAPTER 2. Interacting with Octave: Variables and Operators 3. Working with Octave: Functions and Plotting 4. Rationalizing: Octave Scripts 5. Extensions: Write Your Own Octave Functions 6. Making Your Own Package: A Poisson Equation Solver 7. More Examples: Data Analysis 8. Need for Speed: Optimization and Dynamically Linked Functions Pop quiz - Answers

The pois-solv package


We can now gather the four functions cmat_1d, cmat_2d, vecmat_convert, and pois_fd into an Octave package. There are a few advantages of packing the functions together rather than just copying the individual m-files:

  • The files are archived into single standard file format.

  • You can install the package easily with the pkg command, load and unload the functions, and not be concerned with where the functions are located (that is, if they are in the Octave search path).

  • With the package, you can add any relevant information about the functionality.

  • You can upload the package to Octave-Forge.

There are a few things we need to do in order to package the functions properly.

Organizing files into the package directory

First you will need a package directory—we will call this directory poissolv1, but you can call it whatever you want. Inside the package directory, we have the following files and directory:

  1. 1. The DESCRIPTION file: this text file contains a description of the package...

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