Equations & Inverse Routines
inv
public static inv($a) : CArray
Compute the (multiplicative) inverse of a matrix.
Parameters
CArray|Array
$a Input array.
Returns
CArray
(Multiplicative) inverse of the matrix $a
.
Examples
Example 1
$a = new CArray([[1., 2.], [3., 4.]]);
echo CArray::inv($a);
[[ -2.00000000 1.00000000 ]
[ 1.50000000 -0.50000000 ]]