A new package has been installed on tug.ctan.org and should soon make its way through the mirroring system.
Thanks, Jim Hefferon Saint Michael's College
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The following information was provided by our fellow contributor:
Name of contribution: mfpic4ode Author's name: Robert Marik Location on CTAN: /macros/latex/contrib/mfpic4ode Summary description: A small set of macros to draw direction fields and solutions of ODE's with mfpic License type: lppl
Announcement text: ---------------------------------------------------------------------- The mfpic4ode is a set of macros for drawing direction fields, phase portraits and trajectories of differential equations and two dimensional autonomous systems. The Euler, Runge-Kutta and 4th order Runge-Kutta algorithms are available to solve the ODE's. The picture is translated into mfpic macros and MetaPost is used to create the final drawing. The package is intended for LaTeX, but it can be used in plainTeX as well.
Online demonstration of the mfpic4ode macros is available on http://wood.mendelu.cz/math/mfpicpreviewer/ as Example 6.
You can get the documentation but compiling mfpic4ode.dtx file and the files for installation by compiling mfpic4ode.ins by LaTeX. ----------------------------------------------------------------------
This package is located at http://tug.ctan.org/tex-archive/macros/latex/contrib/mfpic4ode . More information is at http://tug.ctan.org/pkg/mfpic4ode (if the package is new it may take a day for that information to appear). We are supported by the TeX Users Group http://www.tug.org . Please join a users group; see http://www.tug.org/usergroups.html .