Example 12.  Solve the I.V.P.  [Graphics:Images/TaylorDEMod_gr_253.gif].    Compute a Taylor  series solution of order n=4 solution to the I.V.P.

Solution  12.

First, enter the function  [Graphics:../Images/TaylorDEMod_gr_254.gif]  and create explicit formulas for  [Graphics:../Images/TaylorDEMod_gr_255.gif]  for  [Graphics:../Images/TaylorDEMod_gr_256.gif],  respectively, which will involve  [Graphics:../Images/TaylorDEMod_gr_257.gif].  

[Graphics:../Images/TaylorDEMod_gr_258.gif]


[Graphics:../Images/TaylorDEMod_gr_259.gif]
[Graphics:../Images/TaylorDEMod_gr_260.gif]
[Graphics:../Images/TaylorDEMod_gr_261.gif]
[Graphics:../Images/TaylorDEMod_gr_262.gif]

Second, replace  [Graphics:../Images/TaylorDEMod_gr_263.gif]  with   [Graphics:../Images/TaylorDEMod_gr_264.gif]  and construct the implicit formulas  [Graphics:../Images/TaylorDEMod_gr_265.gif]  for  [Graphics:../Images/TaylorDEMod_gr_266.gif], respectively.  

[Graphics:../Images/TaylorDEMod_gr_267.gif]


[Graphics:../Images/TaylorDEMod_gr_268.gif]
[Graphics:../Images/TaylorDEMod_gr_269.gif]
[Graphics:../Images/TaylorDEMod_gr_270.gif]
[Graphics:../Images/TaylorDEMod_gr_271.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_272.gif]

[Graphics:../Images/TaylorDEMod_gr_273.gif]

[Graphics:../Images/TaylorDEMod_gr_274.gif]
[Graphics:../Images/TaylorDEMod_gr_275.gif]
[Graphics:../Images/TaylorDEMod_gr_276.gif]
[Graphics:../Images/TaylorDEMod_gr_277.gif]
[Graphics:../Images/TaylorDEMod_gr_278.gif]


[Graphics:../Images/TaylorDEMod_gr_279.gif]

[Graphics:../Images/TaylorDEMod_gr_280.gif]

[Graphics:../Images/TaylorDEMod_gr_281.gif]
[Graphics:../Images/TaylorDEMod_gr_282.gif]
[Graphics:../Images/TaylorDEMod_gr_283.gif]
[Graphics:../Images/TaylorDEMod_gr_284.gif]
[Graphics:../Images/TaylorDEMod_gr_285.gif]


[Graphics:../Images/TaylorDEMod_gr_286.gif]

[Graphics:../Images/TaylorDEMod_gr_287.gif]

[Graphics:../Images/TaylorDEMod_gr_288.gif]
[Graphics:../Images/TaylorDEMod_gr_289.gif]
[Graphics:../Images/TaylorDEMod_gr_290.gif]
[Graphics:../Images/TaylorDEMod_gr_291.gif]
[Graphics:../Images/TaylorDEMod_gr_292.gif]

Animation 1.  ( Taylor's method of order 4  Taylor's method of order 4 ).  Internet hyperlink.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(c) John H. Mathews 2004