Question
Asked Oct 17, 2019
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(3) Consider the function
defined as
: R -> R>0
if laT
1
2
p(x)
0 if a>
np(nx), and let Kn(x) be the restriction of pn to the
For all integers n > 1, define pn(x) :=
interval (, . Verify that {Kn(x)}n>1 is an approximation to the identity
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(3) Consider the function defined as : R -> R>0 if laT 1 2 p(x) 0 if a> np(nx), and let Kn(x) be the restriction of pn to the For all integers n > 1, define pn(x) := interval (, . Verify that {Kn(x)}n>1 is an approximation to the identity

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Expert Answer

Step 1

Consider the given function which is defined as,

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if a|S 1 л" (x)=2 if x|>T given,verify that {K,(x)}is an approximation to the identity |0 n21 1 that means we have to prove,Vn21,

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Step 2

The above integral function satisf...

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1 K, (xx 2T f9,(x)dx 2л Since, given . (х) — по(пх) 1 . So, 2л P(x)dx 27T -z now, change the variable as, u = nx 1 T Jo(изи 2л 1 (ucs+(ux +Jp(ux} 1 Odc 27T 3 1 dx0dx

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