STEP04:
  Python version: 3.6.9
  The 1D Burgers equation.
-(-8*t + 2*x)*exp(-(-4*t + x)**2/(4*nu*(t + 1)))/(4*nu*(t + 1)) - 9.86960440108936*(-0.202642367284676*t + 0.0506605918211689*x - 0.318309886183791)*exp(-9.86960440108936*(-0.636619772367581*t + 0.159154943091895*x - 1)**2/(nu*(t + 1)))/(nu*(t + 1))
-2*nu*(-(-8*t + 2*x)*exp(-(-4*t + x)**2/(4*nu*(t + 1)))/(4*nu*(t + 1)) - 9.86960440108936*(-0.202642367284676*t + 0.0506605918211689*x - 0.318309886183791)*exp(-9.86960440108936*(-0.636619772367581*t + 0.159154943091895*x - 1)**2/(nu*(t + 1)))/(nu*(t + 1)))/(exp(-9.86960440108936*(-0.636619772367581*t + 0.159154943091895*x - 1)**2/(nu*(t + 1))) + exp(-(-4*t + x)**2/(4*nu*(t + 1)))) + 4
3.49170664206445
  Saved initial solution in file "step04_final.png".
  Saved final solution in file "step04_final.png".

STEP04:
  Normal end of execution.