Ejemplo n.º 1
0
    def test_lagvander3d(self) :
        # also tests lagval3d for non-square coefficient array
        x1, x2, x3 = self.x
        c = np.random.random((2, 3, 4))
        van = lag.lagvander3d(x1, x2, x3, [1, 2, 3])
        tgt = lag.lagval3d(x1, x2, x3, c)
        res = np.dot(van, c.flat)
        assert_almost_equal(res, tgt)

        # check shape
        van = lag.lagvander3d([x1], [x2], [x3], [1, 2, 3])
        assert_(van.shape == (1, 5, 24))
Ejemplo n.º 2
0
    def test_lagvander3d(self):
        # also tests lagval3d for non-square coefficient array
        x1, x2, x3 = self.x
        c = np.random.random((2, 3, 4))
        van = lag.lagvander3d(x1, x2, x3, [1, 2, 3])
        tgt = lag.lagval3d(x1, x2, x3, c)
        res = np.dot(van, c.flat)
        assert_almost_equal(res, tgt)

        # check shape
        van = lag.lagvander3d([x1], [x2], [x3], [1, 2, 3])
        assert_(van.shape == (1, 5, 24))