tmath::MatrixLDLt Class Reference
Cholesky LDL' decomposition. More...
#include <matrix_ldlt.hpp>
Collaboration diagram for tmath::MatrixLDLt:
Public Types | |
|
typedef Eigen::Matrix< TScalar, Eigen::Dynamic, Eigen::Dynamic, Eigen::ColMajor > | Base |
| typedef int | TIndex |
| typedef double | TScalar |
Public Member Functions | |
| bool | IsNegative () const |
| returns if the matrix is negative (semi)definite | |
| bool | IsPositive () const |
| returns if the matrix is positive (semi)definite | |
| Matrix | MatrixL () const |
| returns the matrix L (check before, if it is invertible) | |
| MatrixLDLt (const Matrix &_object) | |
| constructor | |
| Matrix | Solve (const Matrix &n) const |
| returns this->inverse*n | |
| void | SolveInPlace (Matrix &n) const |
| solves a = this->inverse*n which will be computed in place, that is n := a afterwards. | |
| Matrix | VectorD () const |
| returns the matrix D as a vector (check before, if it is invertible) | |
| virtual | ~MatrixLDLt () |
| destructor | |
Protected Member Functions | |
| Eigen::LDLT< Base > & | ldlt () |
| returns the lu object this class refers to | |
| const Eigen::LDLT< Base > & | ldlt () const |
| returns the lu object this class refers to | |
| Matrix & | object () |
| returns the matrix object this class refers to | |
| const Matrix & | object () const |
| returns the matrix object this class refers to | |
Protected Attributes | |
| Eigen::LDLT< Base > | m_ldlt |
| the solver object | |
| Matrix * | m_object |
| the matrix object this class is operating on | |
Detailed Description
Cholesky LDL' decomposition.This class provides an LDL' decomposition. At construction, it factorizes the given matrix and stores D and L matrices.
The documentation for this class was generated from the following file:
- modules/tmath/tmath/dense/matrix_ldlt.hpp
