All releases of Systems of Ordinary Differential Equations

  •  12 Feb 2014 05:27
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    Release Notes: The results are now summarized in table.html, which has links to the files specifying the problems, the programs generated, and the results of running the programs. A new program now detects the operating system (and asks if it cannot tell) and asks which languages to use (C, C++, Ruby, Maxima, or Maple) and the name of an odes file listing the problems specified in ode files to be solved. The generated table makes it easier to inspect the results. Comparison can be made to closed form solutions of the differential equations if they are available.

    •  05 Apr 2013 05:12
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      Release Notes: This release adds support for Si and erf functions for Maple only.

      •  25 Feb 2013 02:39
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        Release Notes: This release supports Windows, although just for Ruby. It may generate code that is basically correct for C,C++, and Maple for Windows, but the author doesn't have those languages. There are no other changes.

        •  30 Jan 2013 06:10
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          Release Notes: This release adds much more thorough testing. Numerous bugs have been fixed.

          •  10 Sep 2012 04:23
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            Release Notes: This release supports negative increment. A display interval may be set.

            •  03 Sep 2012 23:06
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              Release Notes: The digits field in the table generated in cases of systems of equations was corrected.

              •  22 Aug 2012 04:43
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                Release Notes: This release supports generating C in addition to C++, Maple, and Maxima. It supports local declarations in problem definition files for maxima. It reports digits (16) for C and C++. correctly. It reports correct digits if an analytic solution is provided. The order of rows in the results table has been reversed (now alphabetical).

                •  17 Aug 2012 08:14
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                  Release Notes: This release generates C++ in addition to maple and maxima. C++ runs much faster. It is basically C code, but a couple of things don't quite work with gcc. g++ works. A problem with local variables in maxima has been fixed. Optimized code is generated for many special cases. More testing has been done. There are tables of many test cases on the Web site.

                  •  12 Jun 2012 06:43
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                    Release Notes: Handling of systems of equations and the presentation of result summaries in HTML were improved.

                    •  27 May 2012 23:34
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                      Release Notes: Now written in Ruby and generates code for either Maple or Maxima. Uses scripts under either Linux or cygwin. Basic functions are well tested. More thorough testing is needed on systems of equations and non-linear equations.

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