Computes \({}^{2}{}_{n\mid}A_x\) by evaluating
\({}_{n\mid}A_x\) at doubled force.
Usage
A2nAx(x, n, i, tbl = NULL, model = NULL, ..., tol = 1e-12, k_max = 5000)
Arguments
- x
Age.
- n
Deferral period.
- i
Effective annual interest rate.
- tbl
Optional life table object.
- model
Optional parametric survival model name.
- ...
Additional arguments passed to survival-model functions.
- tol
Numerical tolerance for truncating infinite sums.
- k_max
Maximum number of terms in the sum.
Value
Numeric vector of second moments.