xppaut – Phase Plane Plus Auto: Solves many kinds of equations

XPPAUT is a tool for solving

  • differential equations,
  • difference equations,
  • delay equations,
  • functional equations,
  • boundary value problems, and
  • stochastic equations.

The code brings together a number of useful algorithms and is extremely portable. All the graphics and interface are written completely in Xlib which explains the somewhat idiosyncratic and primitive widgets interface.

Package availability chart
Distribution Base version Our version Architectures
Debian GNU/Linux 10.0 (buster) 6.11b+1.dfsg-1    
Debian GNU/Linux 11.0 (bullseye) 6.11b+1.dfsg-1.1    
Debian GNU/Linux 9.0 (stretch) 6.11b+1.dfsg-1 6.11b+1.dfsg-1~nd70+1+nd90+1 i386, amd64
Debian testing (bookworm) 6.11b+1.dfsg-1.1    
Debian unstable (sid) 6.11b+1.dfsg-1.1 6.11b+1.dfsg-1~nd+1 i386, amd64
Ubuntu 16.04 “Xenial Xerus” (xenial) 6.11b+1.dfsg-1    
Ubuntu 18.04 “Bionic Beaver” (bionic) 6.11b+1.dfsg-1build1    
Ubuntu 20.04 “Focal Fossa” (focal) 6.11b+1.dfsg-1build1    
Ubuntu 21.10 “Impish Indri” (impish) 6.11b+1.dfsg-1.1    
Ubuntu 22.04 “Jammy Jellyfish” (jammy) 6.11b+1.dfsg-1.1    


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