/* Last updated: September 8, 2020 by Hereman in Boulder */ /* Data file s-HD-run1-Sep8-2020.dat for the Harry Dym (Dym Kruskal) equation: */ /* u_t - u^3 u_xxx = 0 */ /* Assign u[1] to u, x[1] to x, x[2] to t. */ /* For use with symmgrp2020.max under Maxima */ /* number of independent variables: */ p : 2$ /* number of dependent variables: */ q : 1$ /* number of equations in the system: */ m : 1$ warnings:false$ parameters : [] $ sublisteqs :[all]$ subst_deriv_of_vi:true$ highest_derivatives : all$ /* no information is given yet -- this will be updated in next runs */ info_given : false$ e1 : u[1,[0,1]]-u[1]^3*u[1,[3,0]]; v1 : u[1,[0,1]]; /* end of data file s-HD-run1-Sep8-2020.dat */