/* ************************************************************************* */
/*                         Batch file P_FHN.DAT                              */
/* ************************************************************************* */

/* Comment: 
To use the simplification suggested by Kruskal the file needs to 
contain the following two lines:  */

/*
do_simplification: true;
prefer_variable:x;
*/

/* The FITZHUGH-NAGUMO equation in travelling frame of reference:  */
/* Replace u_t by -(c/sqrt(2))*f_x , so the velocity is c/sqrt(2) */
/* Also replace u by sqrt(2)*f, for easy factorization later on */
/* Then clear all the denominators */

eq: c*fx[1](x)+sqrt(2)*fx[2](x)-sqrt(2)*f*(1-sqrt(2)*f)*(a-sqrt(2)*f); 

/* where a and c are arbitrary real constants */

/* *************************** END of P_FHN.DAT ************************** */