---
name: "positive_definite_constraint.hpp"
section: "3"
platform: "linux"
package: "mlpack-doc"
version: "1.0.10-1"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/positive_definite_constraint.hpp"
---

# positive\_definite\_constraint.hpp(3)

## NAME

src/mlpack/methods/gmm/positive\_definite\_constraint.hpp -

## SYNOPSIS

### Classes

class **mlpack::gmm::PositiveDefiniteConstraint**\
 *Given a covariance matrix, force the matrix to be positive definite.*

### Namespaces

 **mlpack**\
 *Linear algebra utility functions, generally performed on matrices or vectors.*   **mlpack::gmm**\
 *Gaussian Mixture Models.*

## Detailed Description

**Author:**

Ryan Curtin

Restricts a covariance matrix to being positive definite.

This file is part of MLPACK 1.0.10.

MLPACK is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

MLPACK is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details (LICENSE.txt).

You should have received a copy of the GNU General Public License along with MLPACK. If not, see http://www.gnu.org/licenses/.

Definition in file **positive\_definite\_constraint.hpp**.

## Author

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