Suppose xo. X1....., are distinct numbers in the interval [a,b] and f € C**[a,b). Then, for each x in [a, b]. a number 5(x) (generally unknown) between xo. X.....X, and hence in (a,b), exists with flas)(E(x)), (n+ 1)! f(x) = P(x) + *("r - x).. (Ix- x)(r-x)- (3.3) where P(x) is the interpolating polynomial given in Eq. (3.1).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Suppose xo, x1....X, are distinct numbers in the interval [a, b] and f € Ca+ [a, b). Then,
for each x in [a, b]., a number (x) (generally unknown) between xp. X,...Xps and hence
in (a, b), exists with
fia+) ({(x)),
(n + 1)!
f(x) = P(x) +
*("r - x) .. (Ix- x)(ex- x)-
(3.3)
where P(x) is the interpolating polynomial given in Eq. (3.1).
Transcribed Image Text:Suppose xo, x1....X, are distinct numbers in the interval [a, b] and f € Ca+ [a, b). Then, for each x in [a, b]., a number (x) (generally unknown) between xp. X,...Xps and hence in (a, b), exists with fia+) ({(x)), (n + 1)! f(x) = P(x) + *("r - x) .. (Ix- x)(ex- x)- (3.3) where P(x) is the interpolating polynomial given in Eq. (3.1).
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