Chapter 3: More non analytic initial conditions (diffusion dominated)
Top left real solution for the ramp down IC over time.
Bottom left phase portrait of the same solution over time.
Center right landscape plot of the same solution over time where the black line
indicates the real line solution profile.
Top left real solution for the exponential step down IC over time.
Bottom left phase portrait of the same solution over time.
Center right landscape plot of the same solution over time where the black line
indicates the real line solution profile.