is.positive.definite

0th

Percentile

Is a matrix positive definite?

Returns TRUE if and only if a matrix is positive definite.

Keywords
array
Usage
is.positive.definite(a, ...)
Arguments
a

Matrix to be tested

...

Extra arguments passed to eigen(), such as symmetric.

Details

A wrapper for eigen() (a matrix is positive definite if all its eigenvalues are positive). This function is included for convenience only.

Aliases
  • is.positive.definite
Examples
# NOT RUN {
is.positive.definite(diag(3),sym=TRUE)
is.positive.definite(diag(6)-0.1)
# }
Documentation reproduced from package calibrator, version 1.2-8, License: GPL-2

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