Compute the inverse of a matrix

Function computes the inverse of a matrix.

Usage

inv(mat, method = 1, tol = .Machine$double.eps, pseudo_on_fail = TRUE, ...)

Arguments

mat

A matrix

method

Which method to use. 1 is Cholesky chol2inv(chol(mat), 2 is using solve(mat) and 3 is the Moore-Penrose generalized inverse (pseudoinverse).

tol

The tolerance at which we should identify a singular value as zero (used in pseudoinverse calculation).

pseudo_on_fail

If another method fails should the Moore-Penrose generalized inverse (pseudoinverse) be used?

...

Not used.

Value

The inverse matrix