Example 4.  Plot the solutions to the D. E.  [Graphics:Images/HarvestingModelMod_gr_93.gif]  in Example 3
that have the following initial conditions  x[0] = 2, 3, 4, 5, 6.

Solution 4.

Use the general solution that was constructed in example 4.

[Graphics:../Images/HarvestingModelMod_gr_94.gif]

[Graphics:../Images/HarvestingModelMod_gr_95.gif]

Solve for the constant C[1] to make the initial conditions  x[0] = 2, 3, 4, 5, 6.

[Graphics:../Images/HarvestingModelMod_gr_96.gif]

[Graphics:../Images/HarvestingModelMod_gr_97.gif]

The solution functions corresponding to the above list of constants is:

[Graphics:../Images/HarvestingModelMod_gr_98.gif]

[Graphics:../Images/HarvestingModelMod_gr_99.gif]

Make them look nicer.  

[Graphics:../Images/HarvestingModelMod_gr_100.gif]

[Graphics:../Images/HarvestingModelMod_gr_101.gif]

Plot these functions, since a "table of functions" is being sent to the plot subroutine, the command Evaluate is necessary.   

[Graphics:../Images/HarvestingModelMod_gr_102.gif]


[Graphics:../Images/HarvestingModelMod_gr_103.gif]

[Graphics:../Images/HarvestingModelMod_gr_104.gif]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(c) John H. Mathews 2004