Write down the first three terms of the Taylor series expansions of the functions dx (t-h) and dx dt (t-2h) dt about x(t). Use these two equations to eliminate d²x dt (1) and (1) drº from the Taylor series expansion of the function x(t + h) about x(t). Show that the resulting formula for x(t + h) is the third member of the Adams- Bashforth family, and hence confirm that this Adams-Bashforth method is a third-order method.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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2.3.9
Write down the first three terms of the Taylor series
expansions of the functions
dx
(th) and (1-2h)
dx
dt
dt
about x(t). Use these two equations to eliminate
d²x
(t) and
d³x
dt³
dt
from the Taylor series expansion of the function
x(t + h) about x(t). Show that the resulting formula
for x(t + h) is the third member of the Adams-
Bashforth family, and hence confirm that this
Adams-Bashforth method is a third-order method.
€
Transcribed Image Text:2.3.9 Write down the first three terms of the Taylor series expansions of the functions dx (th) and (1-2h) dx dt dt about x(t). Use these two equations to eliminate d²x (t) and d³x dt³ dt from the Taylor series expansion of the function x(t + h) about x(t). Show that the resulting formula for x(t + h) is the third member of the Adams- Bashforth family, and hence confirm that this Adams-Bashforth method is a third-order method. €
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