Maybe the new rkf45 solver would be useful to add to our numerical ODE
options; I think we already are using the correct name for the
to_poly_solve(r)?
++++
Message: 4
Date: Sat, 5 May 2012 11:30:51 -0600
From: Robert Dodier <robert.dod...@gmail.com>
To: Maxima Mailing List <max...@math.utexas.edu>
Subject: [Maxima] announcement: Maxima 5.27
Message-ID:
<CAAsY_sQ_ofEyMuiwi7FUSSfBeh09MG5QvxO-4AVz-
cJ==uk...@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
Please distribute this message as you see fit.
Announcing Maxima 5.27
Maxima is a GPL'd branch of Macsyma, the venerable symbolic
computation system. Maxima 5.27 is a bug fix and feature
enhancement release. The current version is 5.27.0.
Maxima has functions to work with polynomials, matrices, finite sets,
integrals, derivatives and differential equations, linear algebra,
plotting, floating point and arbitrary-precision arithmetic, etc.
Maxima can run on MS Windows and various flavors of Unix,
including MacOS X.
There is a precompiled executable installer for Windows,
RPM's for Linux, and source code tar.gz.
Maxima is implemented in Common Lisp; several Lisps can compile
and run Maxima, including CMUCL, SBCL, Clisp, GCL, and ECL.
The Maxima project welcomes new participants. You can contribute
in several ways: reporting bugs, fixing bugs, writing new add-on
packages, revising core functions, user interfaces, documentation,
etc.
Why not see what's happening on the mailing list and consider how
you might contribute to the project.
Thanks to everyone who contributed to the 5.27 release.
Regards,
Robert Dodier
Maxima developer and 5.27 release manager
Project page:
http://sourceforge.net/projects/maxima
Documentation:
http://maxima.sourceforge.net/documentation.html
Bug reports. You must create a Sourceforge login
before filing a bug report (anonymous reports no longer allowed).
http://sourceforge.net/tracker/?group_id=4933&atid=104933
Mailing list. Please sign up before posting a message.
http://maxima.sourceforge.net/maximalist.html
Download page:
http://sourceforge.net/projects/maxima/files
Ports page:
http://apps.sourceforge.net/mediawiki/maxima/index.php?title=Maxima_ports
Project home page:
http://maxima.sourceforge.net
Change log:
Maxima 5.27 change log
Backwards-incompatible changes:
* remove obsolete Cray Fortran translator
* rename topoly and to_poly_solver to to_poly and to_poly_solve,
respectively
New items in core:
* new functions zn_order, zn_primroot_p, zn_primroot, zn_log, chinese
New items in share:
* package rkf45: Runge-Kutta-Fehlberg 4th-5th order numerical o.d.e.
solver
Other changes:
* functions bessel_i, bessel_j: results for imaginary arguments
* function build_info: return a structure instead of just printing
its data
* function plot3d: allow 3-d parametric plots
* functions fortmx, f90mx: generate assignments to 1-d array when
argument is a list
* package ezunits: update values for physical constants
* revise and update documentation
* reorganization of directory maxima/share
* clean up source code by cutting out unused functions
Bug fixes:
3509430: limit of tanh(x) at 0 makes no sense
3497046: Integration of products of sin(nz)/(nz) sometimes fails
3495182: hgfred([-n/2, (n-1)/2],[1],x) --> error
3484414: display places (false) before output if display2d is false
3480954: integrate(sin(x)^2/x,x,minf,inf) gives not zero
3473549: gcl bug using 1-12-2012 defint.lisp
3470668: Integration is not correct: invalid 'false' term in results
3469184: integrate(exp(-x^n),x,0,1) bug for n >2
3449369: nfloat
3397562: sin(x^2)/(x^2) improper integral incorrect?
mailing list 2012-02-27: print ( false ) bug 5.26.0
mailing list circa 2012-02-19: BIGFLOAT::%TO should pass CL complex
numbers
mailing list circa 2012-01-27: nonstandard extension in category
scripts
mailing list circa 2012-01-09: invert_by_lu does not work as expected
overflow in regularized incomplete gamma function
incorrect value for gamma_incomplete(0,200*%i)
--
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