solve.pdMat {nlme} | R Documentation |
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, ...)
Arguments
a |
an object inheriting from class |
b |
this argument is only included for consistency with the generic function and is not used in this method function. |
... |
some methods for this generic require additional arguments. None are used in this method. |
Value
a pdMat
object similar to a
, but with coefficients
corresponding to the inverse of the positive-definite matrix
represented by a
.
Author(s)
José Pinheiro and Douglas Bates bates@stat.wisc.edu
See Also
Examples
pd1 <- pdCompSymm(3 * diag(3) + 1)
solve(pd1)
[Package nlme version 3.1-166 Index]