/* Data file w_kdv.dat for the Korteweg-de Vries equation */ /* For use with symmgrp2009.max under Maxima or Macsyma */ /* number of independent variables: */ p : 2$ /* number of dependent variables: */ q : 1$ /* number of equations in the system: */ m : 1$ warnings:false$ parameters : [bb] $ sublisteqs :[all]$ subst_deriv_of_vi:true$ highest_derivatives : all$ info_given : false$ e1 : u[1,[0,1]]+bb*u[1]*u[1,[1,0]]+u[1,[3,0]]; /* bb is just a constant parameter */ v1 : u[1,[0,1]]; /* end of data file w_kdv.dat */