Exemplos de kernel_cardinal_spline em Python

Exemplo n.º 1

    def test_kernel_cardinal_spline(self):
        """
        Tests :func:`colour.algebra.interpolation.kernel_cardinal_spline`
        definition.
        """

        np.testing.assert_almost_equal(
            kernel_cardinal_spline(np.linspace(-5, 5, 25)),
            np.array([
                0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000,
                0.00000000, 0.00000000, 0.00000000, -0.03703704, -0.0703125,
                0.13194444, 0.67447917, 1.00000000, 0.67447917, 0.13194444,
                -0.0703125, -0.03703704, 0.00000000, 0.00000000, 0.00000000,
                0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000
            ]),
            decimal=7)

        np.testing.assert_almost_equal(
            kernel_cardinal_spline(np.linspace(-5, 5, 25), 0, 1),
            np.array([
                0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000,
                0.00000000, 0.00000000, 0.00000000, 0.00617284, 0.0703125,
                0.26157407, 0.52922454, 0.66666667, 0.52922454, 0.26157407,
                0.0703125, 0.00617284, 0.00000000, 0.00000000, 0.00000000,
                0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000
            ]),
            decimal=7)

Exemplo n.º 2

Arquivo: test_interpolation.py Projeto: colour-science/colour

    def test_kernel_cardinal_spline(self):
        """
        Tests :func:`colour.algebra.interpolation.kernel_cardinal_spline`
        definition.
        """

        np.testing.assert_almost_equal(
            kernel_cardinal_spline(np.linspace(-5, 5, 25)),
            np.array([
                0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000,
                0.00000000, 0.00000000, 0.00000000, -0.03703704, -0.0703125,
                0.13194444, 0.67447917, 1.00000000, 0.67447917, 0.13194444,
                -0.0703125, -0.03703704, 0.00000000, 0.00000000, 0.00000000,
                0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000
            ]),
            decimal=7)

        np.testing.assert_almost_equal(
            kernel_cardinal_spline(np.linspace(-5, 5, 25), 0, 1),
            np.array([
                0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000,
                0.00000000, 0.00000000, 0.00000000, 0.00617284, 0.0703125,
                0.26157407, 0.52922454, 0.66666667, 0.52922454, 0.26157407,
                0.0703125, 0.00617284, 0.00000000, 0.00000000, 0.00000000,
                0.00000000, 0.00000000, 0.00000000, 0.00000000, 0.00000000
            ]),
            decimal=7)