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XPP

By Ashutosh Mohan

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Description

XPP is an app for solving differential equations, delay equations, functional equations, boundary value problems, and stochastic equations.

It is based on the popular program XPPAUT and uses the same ODE file syntax. The interface has been completely rewritten for the iPad.

XPP will draw nullclines, direction fields, and two- and three-dimensional plots of solutions as well as find equilibrium points, their stability and separatrices.

Users can choose from a dozen different numerical integrators.

Computed data can be exported via iTunes.

Using the sliders, it is possible to watch how the behavior of the system changes as parameters vary.

Solve all your differential equations problems with XPP.

Add any of thousands of equations to your library directly from the WWW or import via iTunes.

What's New in Version 2.4

-bug fixes

iPad Screenshots

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Customer Reviews

A quick path to solving ODEs

I have used and created several programs for solving families of ODEs, and find this to be the easiest to use, once you learn how to give it instructions. It is particularly powerful in its ability to vary equation parameters and observe the effect on the solutions in real time while changing a parameters's value.

At first, the very limited help and many examples provided are just adequate to permit you to get started. Try very simple single single DEs for your initial trials. Try families and more complicated equations only after having gotten simple equations to run and produce solutions. You will learn a lot by trial and error, before you begin to feel comfortable with the program; that was my experience. However, after the initial learning period, the program really begins to reveal its capability.

XPP iPad rating

This iPad app brings much of the power and convenience of XPPAUT to iPad. The ease of use is perfect for the portable device. The bifurcation tracking is not yet possible, but all phase plane features are retained. Fun and useful for research and teaching.

Amazing app for complexity / chaos research!

I just started a complexity course and I've been using XPP for iPad app to visualize equations. From Lorenz to bifurcation diagrams, XPP can visualize it all. Thank you for making it available.

XPP
View In iTunes
  • Free
  • Category: Education
  • Updated: Jul 11, 2012
  • Version: 2.4
  • Size: 3.7 MB
  • Language: English
  • Seller: Ashutosh Mohan

Compatibility: Requires iOS 5.0 or later. Compatible with iPad.

Customer Ratings

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