| Description |
1 online resource (1 electronic resource (vii, 258 pages)) : illustrations |
| Series |
Learn by doing : less theory, more results |
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Learn by doing : less theory, more results.
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| Contents |
Cover; Copyright; Credits; About the Author; About the Reviewers; www.PacktPub.com; Table of Contents; Preface; Chapter 1:Introducing GNU Octave; So what is GNU Octave?; Applications; Limitations of Octave; Octave and MATLAB; The Octave community; Installing Octave; Windows; GNU/Linux; Building Octave from the source under GNU/Linux; Time for action -- building Octave from source; Checking your installation with peaks; Time for action -- testing with peaks; Customizing Octave; Time for action -- creating an Octave home directory under Windows.; Creating your first .octaverc file |
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Time for action -- editing the .octaverc fileMore on .octaverc; Installing additional packages; Time for action -- installing additional packages; Uninstalling a package; Getting help; The behaviour of the Octave command prompt; Summary; Chapter 2:Interacting with Octave: Variables and Operators; Simple numerical variables; Accessing and changing array elements; More examples; Time for action -- manipulating arrays; Complex variables; Text variables; Higher-dimensional arrays; Structures and cell arrays; Structures; Time for action -- instantiating a structure; Accessing structure fields |
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Cell arraysTime for action -- instantiating a cell array; Getting information; Time for action -- using whos; Size, rows, columns, and length; Identifying the variable type; Deleting variables from the workspace; A few things that make life easier; Basic arithmetic; Addition and subtraction; Time for action -- doing addition and subtraction operations; Matrix multiplication; Time for action -- doing multiplication operations; Element-by-element, power, and transpose operations; Operators for structures and cell arrays; Solving linear equation systems: left and right division |
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Time for action -- doing left and right divisionBasic arithmetic for complex variables; Summary of arithmetic operators; Comparison operators and precedence rules; Precedence rules; Time for action -- working with precedence rules; A few hints; Summary; Chapter 3:Working with Octave: Functions and Plotting; Octave functions; Mathematical functions; Time for action -- using the cos function; Polynomials in Octave; More complicated mathematical functions; Time for action -- putting together mathematical functions; Helper functions; Generating random numbers; min and max; Sorting arrays |
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Find, any, and allfloor, ceil, round, and fix; Time for action -- trying out floor, ceil, round, and fix; sum and prod; Absolute values; Complex input arguments; Operator functions; Linear algebra; Time for action -- using Octave for advanced linear algebra; Polynomials; Two-dimensional plotting; Time for action -- making your first plot; plot and set; Time for action -- changing the figure properties; Adding lines and text to your plot; Plot styles and colors; Title and legends; Ticks; Grids; fplot; Clear the figure window; Moving on; Time for action -- having multiple graphs in the same figure |
| Summary |
Become a proficient Octave user by learning this high-level scientific numerical tool from the ground up. |
| Subject |
Numerical analysis -- Data processing.
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Programming languages (Electronic computers)
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Analyse numérique -- Informatique. |
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Numerical analysis -- Data processing |
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Programming languages (Electronic computers) |
| Other Form: |
Print version: Schmidt Hansen, Jesper. GNU Octave. Birmingham, UK : Packt Pub., 2011 9781849513326 (OCoLC)782070800 |
| ISBN |
9781849513333 (electronic bk.) |
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1849513333 (electronic bk.) |
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