Problem 4. For a bounded function f : [a, b] → R and a partition P = {c;}"-1 of [a, b], define %3D n-1 U°(f, P) := sup i=1 *E[xi,&i+1) f(x)(xi+1 – xi) and | n-1 L°(f, P) := E f(x)(xi+1 – x;). inf i=1 Suppose that for a bounded function f: [a, b] → R and a partition P of [a, b], that U°(f, P) = L°(f, P). Provide a characterization of f. %3D

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
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Problem 4.
For a bounded function f : [a, b] → R and a partition P =
{r;}=1 of [a, b], define
n-1
U°(f, P) := sup
i=1 *E[ri,xi+1)
f(x)(xi+1 – x;) and
n-1
L°(f, P) := E.
inf
f(x)(xi+1 – ¤;).
i=1
Suppose that for a bounded function f: [a, b] → R and a partition P of [a, b], that U°(f,P) =
L°(f, P). Provide a characterization of f.
Transcribed Image Text:Problem 4. For a bounded function f : [a, b] → R and a partition P = {r;}=1 of [a, b], define n-1 U°(f, P) := sup i=1 *E[ri,xi+1) f(x)(xi+1 – x;) and n-1 L°(f, P) := E. inf f(x)(xi+1 – ¤;). i=1 Suppose that for a bounded function f: [a, b] → R and a partition P of [a, b], that U°(f,P) = L°(f, P). Provide a characterization of f.
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