User manual for Iode - Department of Mathematics

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30 APPENDIX A. INSTALLING IODE After installing Matlab on a Windows system, it is helpful to set it up to launch in the correct directory. See Appendix B. Obtaining and installing Octave Octave is free software, and you can obtain it fromwww.octave.org for Unix, Windows, and Mac OS X. Installing Octave on Unix systems If your home machine runs Unix, then chances are that you are already expert enough to download and install Octave yourself, following the directions at www.octave.org. If you run into trouble, your local Unix geeks will be happy to help. Installing Octave on Windows systems You can find an easy to install Windows executable at http://www.site.uottawa.ca/~adler/octave/. After downloading the .exe file, chances are that your browser will offer to run the installation program. If not, then you should double-click on the file to activate the installation. If something goes wrong with the installation of Octave, you may be able to get some help athttp://octave.sourceforge.net/Octave Windows.htm. After installing Octave under Windows, it is helpful to set it up to launch in the correct directory. See Appendix B.
Appendix B Running Iode Running Iode under Unix Log in to the machine and get to a Unix prompt. Change directory to get into my iode by using a Unix command such as cd my iode. Then launch Matlab or Octave by typing matlab or octave at the prompt. Note that the order of operations matters here: you need to change into the directory containing Iode before you launch Matlab or Octave. Once you have gotten Matlab or Octave running, just type iode at the Matlab or Octave prompt. The graphical user interface for Iode will launch if it can; otherwise the text-based user interface will launch. Some development versions of Octave sometimes fail to work with the part of Iode that determines whether the graphical user interface can be launched. If you are using a version of Octave that reports an error when processing the command iode, you can launch the text-based interface right away, by typing iodetxt. Running Iode under Windows Log in to the machine and launch Matlab or Octave through the Start → Programs menu. Remark B.1 (Important note). Before launching Matlab or Octave for the very first time, it is helpful to right-click on the program name in the Start → Programs menu, then click on Properties, and put the correct filepath into the “Start in:” box. Your filepath should look something 31
Page 1 and 2: User manual for Iode (graphical use
Page 3 and 4: Contents 1 Direction fields 11 2 Ph
Page 5 and 6: Overview Iode (rhymes with diode) i
Page 7 and 8: General features Launching the Iode
Page 9 and 10: CONTENTS 9 to type “*” to indic
Page 11 and 12: Chapter 1 Direction fields This mod
Page 13 and 14: ut it is certainly a flaw that make
Page 15 and 16: Chapter 2 Phase planes This module
Page 17 and 18: Finally, as opposed to the behavior
Page 19 and 20: Chapter 3 Second order linear ODEs
Page 21 and 22: Chapter 4 Fourier series The Fourie
Page 23 and 24: Function menu • Enter function: Y
Page 25 and 26: Chapter 5 Partial differential equa
Page 27 and 28: (if working with the wave equation)
Page 29: Appendix A Installing Iode Iode run
Page 33 and 34: Appendix C Reference materials Math
Page 35 and 36: ump(x,a,b,m): is a continuously dif
Page 37 and 38: Appendix D Structure of Iode For us

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