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Applications of Differential Equations

Population Dynamics

(continued from last page...)

The result should have been:

malthus=malthus/.%[[1]]

Malthus Final Solution

Which looks pretty much as expected. (At least it looks pretty much as I expected.)

Plotting the Malthus Solution

Now we'll plot malthus on the interval 1790 ≤ t ≤ 2010 in green, assigning the plot the name malthusplot so that we can use the picture again later.

The command we'll need is:

malthusplot = Plot[malthus, {t, 1790, 2010}, PlotStyle -> Green]

Flip back to Mathematica and try it.

Let's go see what you should have gotten...


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ODE Laboratories: A Sabbatical Project by Christopher A. Barker

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