begin, cbegin¶

iterator begin()¶

Returns a (random access) iterator pointing at the first entry in the matrix.

Returns: A value of type iterator.
Complexity: Constant
Throws: this function is noexcept and is guaranteed never to throw.
Parameters: (None)

Warning

The order in which entries in the matrix are iterated over is not specified.

const_iterator cbegin()¶

Returns a const (random access) iterator pointing at the first entry in the matrix.

Returns: A value of type const_iterator.
Complexity: Constant
Throws: this function is noexcept and is guaranteed never to throw.
Parameters: (None)

Warning

The order in which entries in the matrix are iterated over is not specified.