nlme (version 3.1-86)

solve.pdMat: Calculate Inverse of a Positive-Definite Matrix

Description

The positive-definite matrix represented by a is inverted and assigned to a.

Usage

## S3 method for class 'pdMat':
solve(a, b, \dots)

Value

a pdMat object similar to a, but with coefficients corresponding to the inverse of the positive-definite matrix represented by a.

See Also

pdMat

Examples

pd1 <- pdCompSymm(3 * diag(3) + 1)
solve(pd1)