CTAN has a new package: mfpic4ode

[CTAN Announcements]

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: 
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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.
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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 .