Lapack::identity
(PECL lapack >= 0.1.0)
Lapack::identity — Return an identity matrix
Описание
public static Lapack::identity
( int
$n
) : arrayReturn a size n identity matrix
Список параметров
-
n -
The height and width of the identity matrix.
Возвращаемые значения
Will return a an array of n arrays, each containing n entries. The diagonals of the matrix will be 1s, the other positions 0.