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exp(n sum_j (-1)^(j+1) a^j / j), the product expansion of (1+a)^n.

Usage

PowLogSer(a, n, terms = 12)

Arguments

a

perturbation with abs(a) < 1, so the log series converges.

n

exponent.

terms

number of log-series terms, >= 1.

Value

list(exact, product_form, rel_error).

References

Morin, D. J. (2016). Probability: For the Enthusiastic Beginner. Createspace. Eq (7.21).

Examples

PowLogSer(0.1, 20)$rel_error
#> [1] 1.421878e-13