In Exercise 26 of Section 1.1 a Maclaurin series was integrated to approximate erf(1), where erf(x) is
the normal distribution error function defined by
a. Use the Maclaurin series to construct a table for erf(x) that is accurate to within 10−4 for erf(xi), where xi = 0.2i, for i = 0, 1, . . . , 5.
b. Use both linear interpolation and quadratic interpolation to obtain an approximation to Which approach seems most feasible?
Reference: Exercise 26 of Section 1.1
A function f : [a, b] → R is said to satisfy a Lipschitz condition with Lipschitz constant L on [a, b] if, for every x, y ∈ [a, b], we have |f (x) − f (y)| ≤ L|x − y|.
a. Show that if f satisfies a Lipschitz condition with Lipschitz constant L on an interval [a, b], then f ∈ C[a, b].
b. Showthat if f has a derivative that is bounded on [a, b] by L, then f satisfies a Lipschitz condition with Lipschitz constant L on [a, b].
c. Give an example of a function that is continuous on a closed interval but does not satisfy a Lipschitz condition on the interval.
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