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.