
Numerical computation of the gradient, with parallel capabilities
Source:R/calibrar-gradient.R
gradient.Rd
This function calculates the gradient of a function, numerically, including the possibility of doing it in parallel.
Arguments
- fn
The function to calculate the gradient.
- x
The value to compute the gradient at.
- method
The method used. Currently implemented: central, backward, forward and Richardson. See details.
- control
A list of control arguments.
- parallel
Boolean, should numerical derivatives be calculated in parallel?
- ...
Additional arguments to be passed to
fn
.
Examples
gradient(fn=function(x) sum(x^3), x=0)
#> [1] 1e-16