powered by

hessian(f, x0, h = .Machine$double.eps^(1/4), ...)

f

Assumes that the function has continuous partial derivatives.

laplacian

f <- function(x) cos(x[1] + x[2]) x0 <- c(0, 0) hessian(f, x0) f <- function(u) { x <- u[1]; y <- u[2]; z <- u[3] return(x^3 + y^2 + z^2 +12*x*y + 2*z) } x0 <- c(1,1,1) hessian(f, x0)

Run the code above in your browser using DataLab