Skip to contents

Compute the square root of the inverse of (d^2 + lambda).

sqrt_inv_d2_lambda.Rd

Compute the square root of the inverse of (d^2 + lambda).

Usage

sqrt_inv_d2_lambda(d, lambda)

Arguments

d

A scalar of singular value of X.

lambda

A scalar of the ridge penalty.

Value

A scalar of the square root of the inverse of (d^2 + lambda).