Suppose f: R→R is a continuous, 2n – periodic function. Define the function f,(x) := f(x+ ±) for x E R, for each n e Z+ (i) Show that the sequence {fn}-1 converges uniformly to f in R. (ii) Show that periodicity is necessary: Give an example of a continuous function f : R→R such that the sequence f„(x) := f(x+-) does not converge to f uniformly.
Suppose f: R→R is a continuous, 2n – periodic function. Define the function f,(x) := f(x+ ±) for x E R, for each n e Z+ (i) Show that the sequence {fn}-1 converges uniformly to f in R. (ii) Show that periodicity is necessary: Give an example of a continuous function f : R→R such that the sequence f„(x) := f(x+-) does not converge to f uniformly.
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter3: The Derivative
Section3.3: Rates Of Change
Problem 25E
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