colour.utilities.row_as_diagonal#
- colour.utilities.row_as_diagonal(a: ArrayLike) ndarray[Any, dtype[_ScalarType_co]] [source]#
Return the rows of given array \(a\) as diagonal matrices.
- Parameters:
a (ArrayLike) – Array \(a\) to returns the rows of as diagonal matrices.
- Returns:
Array \(a\) rows as diagonal matrices.
- Return type:
References
[Cas14]
Examples
>>> a = np.array( ... [ ... [0.25891593, 0.07299478, 0.36586996], ... [0.30851087, 0.37131459, 0.16274825], ... [0.71061831, 0.67718718, 0.09562581], ... [0.71588836, 0.76772047, 0.15476079], ... [0.92985142, 0.22263399, 0.88027331], ... ] ... ) >>> row_as_diagonal(a) array([[[ 0.25891593, 0. , 0. ], [ 0. , 0.07299478, 0. ], [ 0. , 0. , 0.36586996]], [[ 0.30851087, 0. , 0. ], [ 0. , 0.37131459, 0. ], [ 0. , 0. , 0.16274825]], [[ 0.71061831, 0. , 0. ], [ 0. , 0.67718718, 0. ], [ 0. , 0. , 0.09562581]], [[ 0.71588836, 0. , 0. ], [ 0. , 0.76772047, 0. ], [ 0. , 0. , 0.15476079]], [[ 0.92985142, 0. , 0. ], [ 0. , 0.22263399, 0. ], [ 0. , 0. , 0.88027331]]])