geninv {durmod} | R Documentation |
Moore-Penrose generalized inverse
geninv(X, tol = .Machine$double.eps^(2/3))
X |
matrix |
tol |
tolerance for determining bad entries |
A matrix of the same dimension as X
is returned, the Moore-Penrose generalized inverse.
# create a positive definite 5x5 matrix x <- crossprod(matrix(rnorm(25),5)) # make it singular x[,2] <- x[,3]+x[,5] geninv(x)