Book Description: GNU Octave MANUAL Edition 3 for Octave version 3.0.1. Octave is a high-level interactive language for numerical computations. This is the manual for GNU Octave. This edition of the manual covers the latest version 3.0 of GNU Octave, and includes documentation for new features such as sparse matrices, linear programming and computational geometry. GNU Octave is free software, distributed under the GNU General Public License (GPL). *** All the money raised from the sale of this book supports the development of free software and manuals. For each copy sold $1 will be donated to the GNU Octave Development Fund.