San Diego State University

Technical Briefs

ROHAN help Files

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Maple

The current release on Rohan is Maple 11. Maple is one of the best symbolic algebra computer packages and is capable of handling a wide variety of mathematical problems. It includes facilities for interactive algebra, calculus, discrete mathematics, graphics, numerical computation and many other areas of mathematics. Maple provides a unique environment for rapid development of mathematical programs using its vast library of built-in functions and operations. It has both a text-based and graphical user interface, an extensible programming language, and sophisticated 2-D and 3-D plotting utilities. It also has word processing capabilities, export to HTML and Latex, and connectivity to Excel, Matlab, and external C-callable libraries.

Starting | Help | Tutorials | Examples | Other Resources

Starting Maple

  1. Running Maple from an Xlogin Start Maple grahical user interface:
          xmaple
    
    Start Maple w/o motif graphical user interface:
          maple
    
  2. Running Maple remotely

    If you are running xmaple on a Unix computer other than the one you originally logged onto (ie: you are remotely accessing Rohan from another Unix computer), you should use ssh to connect to Rohan. The ssh (Secure Shell) program will set your DISPLAY variable so graphics can be viewed. Telnet and rsh will not.

    If you can not use ssh, you must reset the DISPLAY variable on the remote machine to that of the machine you are logged onto. See the X Windows page for more information.

  3. Running Maple in batch mode. Maple can be run in a non-interactive (batch) mode with an input file, e.g. maple_script.m, containing the commands which would have been executed in the command window of maple. To submit the job and then be able to logout, use the Unix command,
       nohup maple < maple_script.m > output_file &
    
    and output from the session will be written to a file named output_file. You can run a job at a specified time when the computer is less likely to be loaded down with other tasks using the Unix at command as follows:
       echo "maple < maple_script.m > output_file" | at hh:mm
    
    and the Maple job will run at the specified time hh:mm, e.g. 01:00 for 1 am.

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Getting Help

The Maple Online Help can be accessed from the Help menu in the Maple graphical user interface or by typing a ? at the Maple prompt, e.g. > ?. The "Introduction" selection of the Help menu will bring up a new Help window within the Maple interface which enables traversing of the online help through successive selection of help categories such as Graphics, Mathematics, Programming, Basic and Advanced Features, etc. Choosing (single click) the "Getting Started" category provides access to Maple's online tutorial, the "New User's Tour". This tutorial is formated as a Maple worksheet and can be used interactively.

Maple contains many packages of subject specific library functions. A listing of these packages can be accessed from the Help window by successively selecting the categories "System", "Libraries and Packages", and "packages".

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Tutorial Documents

Many useful documents in Maple's worksheet format (with .mws extension) are available on the Web and can be accessed from a Web browser by configuring the browser to use Maple as a helper application. Then the Web browser will start Maple automatically when you point to a Maple document. This assumes that Maple is available/installed on the same machine from which you are running the Web browser.

To make Maple a helper application for Netscape 4.78 on the Rohan system, set the following fields after choosing Preferences under the Edit menu, and then Applications under the Navigator category, and then New... MIMEType: application/maple-v-r4
Suffixes: mws
Application: /uva/bin/xmaple %s

The procedure is the same for netscape on a Windows PC, but using whatever the path is to the local Maple executable. For further information on accessing Maple from the Web, see the document Maple and the WWW .

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Maple Examples

Maple has a series of example worksheets that can be accessed from the Help window (invoked from the xmaple Help menu and selecting "Introduction") by selecting the category "Example Worksheets". They cover the Maple language and system, algebra, geometry, general numerics and symbolics, differential equations, and graphics, as well as other topics.

Maple Application Center

Maple Powertools and applications contributed by Maple users.

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Other Maple Resources

Maple Advisor Database The Maple Advisor Database is a project of the Symbolic Computation Group of the University of British Columbia, and consists of a library of Maple procedures, plus a database of Maple help pages.

MapleTech Journal Homepage of journal to communicate applications among creators and users of Maple software. Hardcopy of this journal is also available in the Research Computing Support Center.

Maple Newsgroup Newsgroup devoted to issues involving use of Maple.

Symbolic Math Newsgroup Newsgroup devoted to issues involving use of symbolic mathematics software generally and Maple specifically.

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