CGAL 5.5.1 - CGAL and Solvers
SvdTraits::Matrix Concept Reference

## Definition

Concept of matrix type used by the concept SvdTraits.

Refines:

DefaultConstructible

Assignable

Has Models:
CGAL::Eigen_matrix<T>

## Public Member Functions

Matrix (size_t n1, size_t n2)
Initialize all the entries of the matrix to zero.

size_t number_of_rows ()
Return the number of rows of the matrix.

size_t number_of_columns ()
Return the number of columns of the matrix.

FT operator() (size_t i, size_t j)
Return the entry at row i and column j, i from 0 to number_of_rows - 1, j from 0 to number_of_columns - 1.

void set (size_t i, size_t j, const FT value)
Set the entry at row i and column j to value.