MathPHP\LinearAlgebra\MatrixOperationsTest::dataProviderForDiagonal PHP Метод

    public function dataProviderForDiagonal()
    {
        return [[[[1, 2, 3], [2, 3, 4], [3, 4, 5]], [[1, 0, 0], [0, 3, 0], [0, 0, 5]]], [[[1, 2, 3], [2, 3, 4], [3, 4, 5], [4, 5, 6]], [[1, 0, 0], [0, 3, 0], [0, 0, 5], [0, 0, 0]]], [[[1, 2, 3, 4], [2, 3, 4, 5], [3, 4, 5, 6]], [[1, 0, 0, 0], [0, 3, 0, 0], [0, 0, 5, 0]]]];
    }