Example 9.  Solve the I.V.P.  [Graphics:Images/TaylorDEMod_gr_151.gif].  

Solution  9.

Compute the Taylor series solution based on 50 subintervals and plot the results.

[Graphics:../Images/TaylorDEMod_gr_152.gif]


[Graphics:../Images/TaylorDEMod_gr_153.gif]
[Graphics:../Images/TaylorDEMod_gr_154.gif]

First, enter the function  [Graphics:../Images/TaylorDEMod_gr_155.gif]  and create explicit formulas for  [Graphics:../Images/TaylorDEMod_gr_156.gif]  for  [Graphics:../Images/TaylorDEMod_gr_157.gif],  respectively, which will involve  [Graphics:../Images/TaylorDEMod_gr_158.gif].  

[Graphics:../Images/TaylorDEMod_gr_159.gif]


[Graphics:../Images/TaylorDEMod_gr_160.gif]
[Graphics:../Images/TaylorDEMod_gr_161.gif]
[Graphics:../Images/TaylorDEMod_gr_162.gif]
[Graphics:../Images/TaylorDEMod_gr_163.gif]


Second, replace  [Graphics:../Images/TaylorDEMod_gr_164.gif]  with   [Graphics:../Images/TaylorDEMod_gr_165.gif]  and construct the implicit formulas  [Graphics:../Images/TaylorDEMod_gr_166.gif]  for  [Graphics:../Images/TaylorDEMod_gr_167.gif], respectively.  

[Graphics:../Images/TaylorDEMod_gr_168.gif]


[Graphics:../Images/TaylorDEMod_gr_169.gif]
[Graphics:../Images/TaylorDEMod_gr_170.gif]
[Graphics:../Images/TaylorDEMod_gr_171.gif]
[Graphics:../Images/TaylorDEMod_gr_172.gif]


[Graphics:../Images/TaylorDEMod_gr_173.gif]

[Graphics:../Images/TaylorDEMod_gr_174.gif]

[Graphics:../Images/TaylorDEMod_gr_175.gif]
[Graphics:../Images/TaylorDEMod_gr_176.gif]
[Graphics:../Images/TaylorDEMod_gr_177.gif]
[Graphics:../Images/TaylorDEMod_gr_178.gif]
[Graphics:../Images/TaylorDEMod_gr_179.gif]

Compute the Taylor series solution based on 100 subintervals and plot the results.
Observe that one fewer subinterval is computed for this case.

[Graphics:../Images/TaylorDEMod_gr_180.gif]

[Graphics:../Images/TaylorDEMod_gr_181.gif]

[Graphics:../Images/TaylorDEMod_gr_182.gif]
[Graphics:../Images/TaylorDEMod_gr_183.gif]
[Graphics:../Images/TaylorDEMod_gr_184.gif]
[Graphics:../Images/TaylorDEMod_gr_185.gif]
[Graphics:../Images/TaylorDEMod_gr_186.gif]

Compute the Taylor series solution based on 200 subintervals and plot the results.
Observe that four fewer subintervals are computed for this case.

[Graphics:../Images/TaylorDEMod_gr_187.gif]

[Graphics:../Images/TaylorDEMod_gr_188.gif]

[Graphics:../Images/TaylorDEMod_gr_189.gif]
[Graphics:../Images/TaylorDEMod_gr_190.gif]
[Graphics:../Images/TaylorDEMod_gr_191.gif]
[Graphics:../Images/TaylorDEMod_gr_192.gif]
[Graphics:../Images/TaylorDEMod_gr_193.gif]

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(c) John H. Mathews 2004