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