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. Author manuscript; available in PMC: 2011 Jul 19.
Published in final edited form as: Bull Math Biol. 2010 Mar 18;72(8):2047–2066. doi: 10.1007/s11538-010-9527-2

Fig. 3.

Fig. 3

Comparison of the normalized concentration φ (y-axis) as a function of (x − vt)/σ 0 (x-axis) obtained from the full solution, Eq. (13) (open circles), Eq. (22) (solid lines) and Eq. (42) or Eq. (51) (dashed lines) at fixed instants of time vt/σ0 = 50, 100 and 200. The parameters are: P = 62.7: α = 0.5 (Panel A), α = −0.5 (Panel C) and P = 5.0: α = 0.5 (Panel B), α = −0.5 (Panel D).