Example 11.  Solve the I.V.P.  [Graphics:Images/TaylorDEMod_gr_215.gif].    Compute a Taylor series solution of order n=3 solution to the I.V.P.

Solution  11.

First, enter the function  [Graphics:../Images/TaylorDEMod_gr_216.gif]  and create explicit formulas for  [Graphics:../Images/TaylorDEMod_gr_217.gif]  for  [Graphics:../Images/TaylorDEMod_gr_218.gif],  respectively, which will involve  [Graphics:../Images/TaylorDEMod_gr_219.gif].  

[Graphics:../Images/TaylorDEMod_gr_220.gif]


[Graphics:../Images/TaylorDEMod_gr_221.gif]
[Graphics:../Images/TaylorDEMod_gr_222.gif]
[Graphics:../Images/TaylorDEMod_gr_223.gif]

Second, replace  [Graphics:../Images/TaylorDEMod_gr_224.gif]  with   [Graphics:../Images/TaylorDEMod_gr_225.gif]  and construct the implicit formulas  [Graphics:../Images/TaylorDEMod_gr_226.gif]  for  [Graphics:../Images/TaylorDEMod_gr_227.gif], respectively.  

[Graphics:../Images/TaylorDEMod_gr_228.gif]


[Graphics:../Images/TaylorDEMod_gr_229.gif]
[Graphics:../Images/TaylorDEMod_gr_230.gif]
[Graphics:../Images/TaylorDEMod_gr_231.gif]

Third, use the subroutine to compute the set of points and store them in the variable taylorset.  Then plot this set of points using the built in Mathematica subroutine ListPlot.  

[Graphics:../Images/TaylorDEMod_gr_232.gif]

[Graphics:../Images/TaylorDEMod_gr_233.gif]

[Graphics:../Images/TaylorDEMod_gr_234.gif]
[Graphics:../Images/TaylorDEMod_gr_235.gif]
[Graphics:../Images/TaylorDEMod_gr_236.gif]
[Graphics:../Images/TaylorDEMod_gr_237.gif]
[Graphics:../Images/TaylorDEMod_gr_238.gif]


[Graphics:../Images/TaylorDEMod_gr_239.gif]

[Graphics:../Images/TaylorDEMod_gr_240.gif]

[Graphics:../Images/TaylorDEMod_gr_241.gif]
[Graphics:../Images/TaylorDEMod_gr_242.gif]
[Graphics:../Images/TaylorDEMod_gr_243.gif]
[Graphics:../Images/TaylorDEMod_gr_244.gif]
[Graphics:../Images/TaylorDEMod_gr_245.gif]


[Graphics:../Images/TaylorDEMod_gr_246.gif]

[Graphics:../Images/TaylorDEMod_gr_247.gif]

[Graphics:../Images/TaylorDEMod_gr_248.gif]
[Graphics:../Images/TaylorDEMod_gr_249.gif]
[Graphics:../Images/TaylorDEMod_gr_250.gif]
[Graphics:../Images/TaylorDEMod_gr_251.gif]
[Graphics:../Images/TaylorDEMod_gr_252.gif]

Animation 1.  ( Taylor's method of order 3  Taylor's method of order 3 ).  Internet hyperlink.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(c) John H. Mathews 2004