7. For what points (xo,y0) does Theorem A imply that the initial value problem y' =y\y\, y(x) =yo has a unique solution on some interval |x – xo|

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ISBN:9780470458365
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7. For what points (xo,Yo) does Theorem A imply that the initial value
problem
y' =y\y\, _y(x)=y,
has a unique solution on some interval |x – xo| <h?
Transcribed Image Text:7. For what points (xo,Yo) does Theorem A imply that the initial value problem y' =y\y\, _y(x)=y, has a unique solution on some interval |x – xo| <h?
Theorem A. (Picard's theorem.) Let f (x, y) and of/dy be continuous functions of
x and y on a closed rectangle R with sides parallel to the axes (Figure 105). If (xo, Yo)
is any interior point of R, then there exists a number h>0 with the property that the
initial value problem
y' =f (x, y), y(x) = Yo
(1)
has one and only one solution y=y(x) on the interval |x – xo| <h.
Transcribed Image Text:Theorem A. (Picard's theorem.) Let f (x, y) and of/dy be continuous functions of x and y on a closed rectangle R with sides parallel to the axes (Figure 105). If (xo, Yo) is any interior point of R, then there exists a number h>0 with the property that the initial value problem y' =f (x, y), y(x) = Yo (1) has one and only one solution y=y(x) on the interval |x – xo| <h.
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