MathPHP\LinearAlgebra\MatrixOperationsTest::dataProviderForSubtract PHP Метод

    public function dataProviderForSubtract()
    {
        return [[[[1, 2, 3], [2, 3, 4], [3, 4, 5]], [[1, 1, 1], [1, 1, 1], [1, 1, 1]], [[0, 1, 2], [1, 2, 3], [2, 3, 4]]], [[[0, 1, 2], [9, 8, 7]], [[6, 5, 4], [3, 4, 5]], [[-6, -4, -2], [6, 4, 2]]]];
    }