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Interpolate an expensive function of a positive scalar

Source: R/method_empirical_bayes_power_prior.R
log_grid_interpolation.Rd

Evaluates f at n_nodes points spaced evenly on the log scale across the range of x, and interpolates linearly in log(x) between them. Where every x is equal, f is evaluated once.

Usage

log_grid_interpolation(f, x, n_nodes = 100L)

Arguments

f

A function of one positive number, returning one number.

x

Positive values at which f is wanted.

n_nodes

Number of evaluations of f.

Value

f interpolated at x.