#include <square_mat.h>
Public Member Functions | |
| virtual void | opupdt (const vec &v, double w) |
| virtual mat | to_mat () const |
| Conversion to full matrix. | |
| virtual void | mult_sym (const mat &C) |
Inplace symmetric multiplication by a SQUARE matrix , i.e. . | |
| virtual void | mult_sym_t (const mat &C) |
Inplace symmetric multiplication by a SQUARE transpose of matrix , i.e. . | |
| virtual double | logdet () const |
| Logarithm of a determinant. | |
| virtual vec | sqrt_mult (const vec &v) const |
Multiplies square root of by vector . | |
| virtual double | qform (const vec &v) const |
Evaluates quadratic form ;. | |
| virtual double | invqform (const vec &v) const |
Evaluates quadratic form ;. | |
| virtual void | clear () |
| Clearing matrix so that it corresponds to zeros. | |
| int | cols () const |
| Reimplementing common functions of mat: cols(). | |
| int | rows () const |
| Reimplementing common functions of mat: rows(). | |
| virtual | ~sqmat () |
| Destructor for future use;. | |
| sqmat (const int dim0) | |
| Default constructor. | |
| sqmat () | |
| Default constructor. | |
Protected Attributes | |
| int | dim |
| dimension of the square matrix | |
All operations defined on this class should be optimized for the chosen decomposition.
| virtual void bdm::sqmat::mult_sym | ( | const mat & | C | ) | [inline, virtual] |
Inplace symmetric multiplication by a SQUARE matrix
, i.e.
.
| C | multiplying matrix, |
Reimplemented in bdm::chmat, bdm::fsqmat, and bdm::ldmat.
References bdm_error.
| virtual void bdm::sqmat::mult_sym_t | ( | const mat & | C | ) | [inline, virtual] |
Inplace symmetric multiplication by a SQUARE transpose of matrix
, i.e.
.
| C | multiplying matrix, |
Reimplemented in bdm::chmat, bdm::fsqmat, and bdm::ldmat.
References bdm_error.
| virtual void bdm::sqmat::opupdt | ( | const vec & | v, | |
| double | w | |||
| ) | [inline, virtual] |
Perfroms a rank-1 update by outer product of vectors:
.
| v | Vector forming the outer product to be added | |
| w | weight of updating; can be negative |
Reimplemented in bdm::chmat, bdm::fsqmat, and bdm::ldmat.
References bdm_error.
| virtual vec bdm::sqmat::sqrt_mult | ( | const vec & | v | ) | const [inline, virtual] |
Multiplies square root of
by vector
.
Used e.g. in generating normal samples.
Reimplemented in bdm::chmat, bdm::fsqmat, and bdm::ldmat.
References bdm_error.
1.5.9