def test_is_strictly_increasing(): assert is_strictly_increasing(4 * x**3 - 6 * x**2 - 72 * x + 30, Interval.Ropen(-oo, -2)) assert is_strictly_increasing(4 * x**3 - 6 * x**2 - 72 * x + 30, Interval.Lopen(3, oo)) assert is_strictly_increasing(4 * x**3 - 6 * x**2 - 72 * x + 30, Interval.open(-2, 3)) is False assert is_strictly_increasing(-x**2, Interval(0, oo)) is False
def test_is_strictly_increasing(): """Test whether is_strictly_increasing returns correct value.""" assert is_strictly_increasing(4 * x**3 - 6 * x**2 - 72 * x + 30, Interval.Ropen(-oo, -2)) assert is_strictly_increasing(4 * x**3 - 6 * x**2 - 72 * x + 30, Interval.Lopen(3, oo)) assert not is_strictly_increasing(4 * x**3 - 6 * x**2 - 72 * x + 30, Interval.open(-2, 3)) assert not is_strictly_increasing(-x**2, Interval(0, oo)) assert not is_strictly_decreasing(1)
def test_is_strictly_increasing(): """Test whether is_strictly_increasing returns correct value.""" assert is_strictly_increasing( 4*x**3 - 6*x**2 - 72*x + 30, Interval.Ropen(-oo, -2)) assert is_strictly_increasing( 4*x**3 - 6*x**2 - 72*x + 30, Interval.Lopen(3, oo)) assert not is_strictly_increasing( 4*x**3 - 6*x**2 - 72*x + 30, Interval.open(-2, 3)) assert not is_strictly_increasing(-x**2, Interval(0, oo)) assert not is_strictly_decreasing(1)
def test_is_strictly_increasing(): assert is_strictly_increasing(4*x**3 - 6*x**2 - 72*x + 30, Interval.Ropen(-oo, -2)) assert is_strictly_increasing(4*x**3 - 6*x**2 - 72*x + 30, Interval.Lopen(3, oo)) assert is_strictly_increasing(4*x**3 - 6*x**2 - 72*x + 30, Interval.open(-2, 3)) is False assert is_strictly_increasing(-x**2, Interval(0, oo)) is False