\( \newcommand{\E}{\mathrm{E}} \) \( \newcommand{\A}{\mathrm{A}} \) \( \newcommand{\R}{\mathrm{R}} \) \( \newcommand{\N}{\mathrm{N}} \) \( \newcommand{\Q}{\mathrm{Q}} \) \( \newcommand{\Z}{\mathrm{Z}} \) \( \def\ccSum #1#2#3{ \sum_{#1}^{#2}{#3} } \def\ccProd #1#2#3{ \sum_{#1}^{#2}{#3} }\)

CGAL 4.8 - CGAL and Solvers

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SparseLinearAlgebraTraits_d::Vector Concept Reference

## Definition

`SparseLinearAlgebraTraits_d::Vector` is a concept of a vector that can be multiplied by a sparse matrix.

Has Models:
  `CGAL::Eigen_vector<T>`

See Also
  `SparseLinearAlgebraTraits_d`
  `SparseLinearAlgebraTraits_d::Matrix`

## Types
typedef unspecified_type | NT

## Creation
| Vector (int rows)
| Create a vector initialized with zeros.
| Vector (const Vector &toCopy)
| Copy constructor.

## Operations
int | dimension () const
| Return the vector's number of coefficients.
NT | operator[] (int row) const
| Read/write access to a vector coefficient. More...
NT & | operator[] (int row)

## Member Function Documentation

NT SparseLinearAlgebraTraits_d::Vector::operator[] | ( | int | row) |  | const

Read/write access to a vector coefficient.

Precondition
  `0 <= row < dimension()`.