Cholesky factorization for adgeMatrix

Compute the Cholesky factor of a symmetric positive-definite adgeMatrix, dispatching through the amatrix backend.

Usage

# S4 method for class 'adgeMatrix'
chol(x, ...)

Arguments

x

A symmetric positive-definite adgeMatrix.

...

Further arguments passed to the backend.

Value

An adgeMatrix containing the upper triangular Cholesky factor.

Examples

S <- adgeMatrix(crossprod(matrix(rnorm(9), 3, 3)) + 3 * diag(3))
R <- chol(S)