Installing, modifying and using Octave in Windows

Install octave

• http://wiki.octave.org/Octave_for_Windows
• Follow all of the instructions for 3.6.4 explicitly!
• It is recommended to install the files here: C:\Octave

Add the folder containing the octave excitable to the path

• Location of octave on my computer: C:\Octave\Octave3.6.4_gcc4.6.2\bin
• Adding to path
• Right click on my computer
• Properties
• Advanced tab
• Environment Variables button
• System variables
• Click on path variable
• Click edit button
• DO NOT DELETE ANY INFORMATION IN THE CURRENT PATH
• Add “;C:\Octave\Octave3.6.4_gcc4.6.2\bin” at the end of the path
• Save

Test octave

• Open cmd window
• Type “octave”
• Octave should run in the cmd window

Basics for .bat file

• Comments
• “rem” is the command used to create comments in a .bat file
• rem this is a comment
• Goto
• Set a location
• :Location1
• Go to it
• @goto Location1
• Display text
• @echo “text to display”
• Turn off displaying automatic text
• @ echo off
• Variables
• SET /P unit="Please Enter Unit: "
• %unit%

Running octive files from .bat

• Open a new file in a text editor and save it as a .bat file
• http://www.gnu.org/software/octave/doc/interpreter/Invoking-Octave-from-the-Command-Line.html
• http://www.gnu.org/software/octave/doc/interpreter/Startup-Files.html
• Setting path in .bat does not work
• octave --exec-path --eval helloworld.m
• Set (or determine) the default octave directory File located here:
• octave-home/share/octave/site/m/startup/octaverc
• Put the file to be run in the default location
• Evaluate the file to be run in the .bat file
• octave --eval helloworld.m
• an error appears but it seems to be of no consequence
• error: can't perform indexing operations for <unknown type> type