moab::Matrix Namespace Reference

Functions
template<typename Matrix >
Matrix	mmult3 (const Matrix &a, const Matrix &b)
template<typename Matrix >
const Matrix	inverse (const Matrix &d)
template<typename Vector , typename Matrix >
Vector	vector_matrix (const Vector &v, const Matrix &m)
template<typename Vector , typename Matrix >
Vector	matrix_vector (const Matrix &m, const Vector &v)

Function Documentation

inverse()

template<typename Matrix >

const Matrix moab::Matrix::inverse ( const Matrix &  d )

inline

Definition at line 190 of file Matrix3.hpp.

 {
 const double det = 1.0 / determinant3( d );
 return inverse( d, det );
 }

Referenced by moab::element_utility::Linear_tet_map< Entity_handle, Matrix >::set_tet(), moab::element_utility::Spectral_hex_map< _Matrix >::solve_inverse(), and moab::element_utility::Quadratic_hex_map< _Matrix >::solve_inverse().

matrix_vector()

template<typename Vector , typename Matrix >

Vector moab::Matrix::matrix_vector ( const Matrix &  m, const Vector &  v  )

inline

Definition at line 205 of file Matrix3.hpp.

 {
 Vector res = v;
 res[0] = v[0] * m( 0, 0 ) + v[1] * m( 0, 1 ) + v[2] * m( 0, 2 );
 res[1] = v[0] * m( 1, 0 ) + v[1] * m( 1, 1 ) + v[2] * m( 1, 2 );
 res[2] = v[0] * m( 2, 0 ) + v[1] * m( 2, 1 ) + v[2] * m( 2, 2 );
 return res;
 }

Referenced by moab::operator*().

mmult3()

template<typename Matrix >

Matrix moab::Matrix::mmult3 ( const Matrix &  a, const Matrix &  b  )

inline

Definition at line 176 of file Matrix3.hpp.

 {
 return Matrix( a( 0, 0 ) * b( 0, 0 ) + a( 0, 1 ) * b( 1, 0 ) + a( 0, 2 ) * b( 2, 0 ),
 a( 0, 0 ) * b( 0, 1 ) + a( 0, 1 ) * b( 1, 1 ) + a( 0, 2 ) * b( 2, 1 ),
 a( 0, 0 ) * b( 0, 2 ) + a( 0, 1 ) * b( 1, 2 ) + a( 0, 2 ) * b( 2, 2 ),
 a( 1, 0 ) * b( 0, 0 ) + a( 1, 1 ) * b( 1, 0 ) + a( 1, 2 ) * b( 2, 0 ),
 a( 1, 0 ) * b( 0, 1 ) + a( 1, 1 ) * b( 1, 1 ) + a( 1, 2 ) * b( 2, 1 ),
 a( 1, 0 ) * b( 0, 2 ) + a( 1, 1 ) * b( 1, 2 ) + a( 1, 2 ) * b( 2, 2 ),
 a( 2, 0 ) * b( 0, 0 ) + a( 2, 1 ) * b( 1, 0 ) + a( 2, 2 ) * b( 2, 0 ),
 a( 2, 0 ) * b( 0, 1 ) + a( 2, 1 ) * b( 1, 1 ) + a( 2, 2 ) * b( 2, 1 ),
 a( 2, 0 ) * b( 0, 2 ) + a( 2, 1 ) * b( 1, 2 ) + a( 2, 2 ) * b( 2, 2 ) );
 }

vector_matrix()

template<typename Vector , typename Matrix >

Vector moab::Matrix::vector_matrix ( const Vector &  v, const Matrix &  m  )

inline

Definition at line 197 of file Matrix3.hpp.

 {
 return Vector( v[0] * m( 0, 0 ) + v[1] * m( 1, 0 ) + v[2] * m( 2, 0 ),
 v[0] * m( 0, 1 ) + v[1] * m( 1, 1 ) + v[2] * m( 2, 1 ),
 v[0] * m( 0, 2 ) + v[1] * m( 1, 2 ) + v[2] * m( 2, 2 ) );
 }

Referenced by moab::operator*().