Programs in Physics & Physical Chemistry 
[Licence Download  New Version Template] aedb_v1_0.tar.gz(13 Kbytes)  

Manuscript Title: A Maple package for verifying ultradiscrete soliton solutions  
Authors: Min Gao, Masaaki Ito  
Program title: Ultde  
Catalogue identifier: AEDB_v1_0 Distribution format: tar.gz  
Journal reference: Comput. Phys. Commun. 180(2009)1196  
Programming language: Maple 10.  
Computer: PC/AT compatible machine.  
Operating system: Windows 2000, Windows XP.  
RAM: Depends on the problem; minimum about 1G bytes.  
Word size: 32 bits  
Keywords: Ultradiscrete equations, Soliton solutions, Maxplus algebra, Computer algebra.  
PACS: 02.30.Ik, 02.70.Wz.  
Classification: 5.  
Nature of problem: The existence of multisoliton solutions strongly suggest the integrability of nonlinear evolution equations. However enormous calculation is required to verify multisoliton solutions of ultradiscrete equations. The use of computer algebra can be helpful in such calculations.  
Solution method: Simplification by using the properties of maxplus algebra.  
Restrictions: The program can only handle single ultradiscrete equations.  
Running time: Depends on the complexity of the equation and solution. For the examples included in the distribution the run times are as follows. (Core 2 Duo 3GHz, Windows XP)

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