# PosDefSymmMatrix-class

From distr v2.3.1
by Peter Ruckdeschel

##### Positive-[Semi-]definite, symmetric matrices

The class of positive-[semi-]definite, symmetric matrices.

##### Objects from the Class

Objects can be created by calls of the form `new("PosSemDefSymmMatrix", ...)`

resp. `new("PosDefSymmMatrix", ...)`

.
More frequently they are created via the generating functions
`PosSemDefSymmMatrix`

resp. `PosDefSymmMatrix`

.

##### Extends

[Class `"PosSemDefSymmMatrix"`

, directly]
Class `"matrix"`

, from data part.
Class `"structure"`

, by class `"matrix"`

.
Class `"array"`

, by class `"matrix"`

.
Class `"vector"`

, by class "matrix", with explicit coerce.
Class `"vector"`

, by class "matrix", with explicit coerce.

##### concept

- positive-definite matrix
- positive-semi-definite matrix
- symmetric matrix

##### See Also

##### Examples

`new("PosDefSymmMatrix", diag(2))`

*Documentation reproduced from package distr, version 2.3.1, License: LGPL-3*

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