pde_bihar44t_eq.java running. solve uxxxx(x,y,z,t) + uyyyy(x,y,z,t) + uzzzz(x,y,z,t) + utttt(x,y,z,t) + 2*uxx(x,y,z,t) + 2*uyy(x,y,z,t) + 2*uzz(x,y,z,t) + 2*utt(x,y,z,t) + 2*u(x,y,z,t) = f(x,y,z,t) f(x,y,z,t) := 72*t+24*x^2*t+48*(y-z)^2*t+2*(x^4+(y-z)^4)*t in the hyper cube xmin