size is n. More...
#include <permutation.h>
Inherits BlackboxInterface.
Public Member Functions | |
| Permutation (Storage &indices, const Field &F=Field()) | |
| Constructor from a vector of indices. More... | |
| Permutation (int n, const Field &F=Field()) | |
| Constructor from a dimension. More... | |
| template<class OutVector , class InVector > | |
| OutVector & | apply (OutVector &y, const InVector &x) const |
| Application of BlackBox permutation matrix. More... | |
| template<class OutVector , class InVector > | |
| OutVector & | applyTranspose (OutVector &y, const InVector &x) const |
| Application of BlackBox permutation matrix transpose. More... | |
| size_t | rowdim (void) const |
| rowdim | |
| size_t | coldim (void) const |
| coldim | |
| void | permute (size_t row1, size_t row2) |
| Add a transposition to the matrix. | |
Detailed Description
template<class _Field, class _Storage = std::vector< long >>
class LinBox::Permutation< _Field, _Storage >
size is n.
- Parameters
-
Storage LinBox dense or sparse vector of field elements
Constructor & Destructor Documentation
|
inline |
Constructor from a vector of indices.
This constructor creates a permutation matrix based on a vector of indices
- Parameters
-
F indices Vector of indices representing the permutation
|
inline |
Constructor from a dimension.
This constructor creates an n x n permutation matrix, initialized to be the identity
- Parameters
-
n The dimension of hte matrix to create F
Member Function Documentation
|
inline |
. Requires one vector conforming to the
|
inline |
Application of BlackBox permutation matrix transpose.
y= transpose(P)*x, equivalently y= P^-1*x Requires one vector conforming to the LinBox vector archetype. Required by abstract base class.
- Returns
- reference to vector y containing output.
- Parameters
-
x constant reference to vector to contain input y 
.
The documentation for this class was generated from the following file:
- permutation.h
