本文整理汇总了Python中scipy.interpolate.KroghInterpolator类的典型用法代码示例。如果您正苦于以下问题：Python KroghInterpolator类的具体用法？Python KroghInterpolator怎么用？Python KroghInterpolator使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了KroghInterpolator类的9个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_shapes_scalarvalue_derivative
def test_shapes_scalarvalue_derivative(self):
P = KroghInterpolator(self.xs,self.ys)
n = P.n
assert_array_equal(np.shape(P.derivatives(0)), (n,))
assert_array_equal(np.shape(P.derivatives(np.array(0))), (n,))
assert_array_equal(np.shape(P.derivatives([0])), (n,1))
assert_array_equal(np.shape(P.derivatives([0,1])), (n,2))示例2: test_wrapper
def test_wrapper(self):
P = KroghInterpolator(self.xs, self.ys)
assert_almost_equal(P(self.test_xs), krogh_interpolate(self.xs, self.ys, self.test_xs))
assert_almost_equal(P.derivative(self.test_xs, 2), krogh_interpolate(self.xs, self.ys, self.test_xs, der=2))
assert_almost_equal(
P.derivatives(self.test_xs, 2), krogh_interpolate(self.xs, self.ys, self.test_xs, der=[0, 1])
)示例3: test_int_inputs
def test_int_inputs(self):
# Check input args are cast correctly to floats, gh-3669
x = [0, 234,468,702,936,1170,1404,2340,3744,6084,8424,13104,60000]
offset_cdf = np.array([-0.95, -0.86114777, -0.8147762, -0.64072425, -0.48002351,
-0.34925329, -0.26503107, -0.13148093, -0.12988833, -0.12979296,
-0.12973574, -0.08582937, 0.05])
f = KroghInterpolator(x, offset_cdf)
assert_allclose(abs((f(x) - offset_cdf) / f.derivative(x, 1)), 0, atol=1e-10)示例4: test_derivatives_complex
def test_derivatives_complex(self):
# regression test for gh-7381: krogh.derivatives(0) fails complex y
x, y = np.array([-1, -1, 0, 1, 1]), np.array([1, 1.0j, 0, -1, 1.0j])
func = KroghInterpolator(x, y)
cmplx = func.derivatives(0)
cmplx2 = (KroghInterpolator(x, y.real).derivatives(0) +
1j*KroghInterpolator(x, y.imag).derivatives(0))
assert_allclose(cmplx, cmplx2, atol=1e-15)示例5: test_vector
def test_vector(self):
xs = [0, 1, 2]
ys = np.array([[0, 1], [1, 0], [2, 1]])
P = KroghInterpolator(xs, ys)
Pi = [KroghInterpolator(xs, ys[:, i]) for i in xrange(ys.shape[1])]
test_xs = np.linspace(-1, 3, 100)
assert_almost_equal(P(test_xs), np.rollaxis(np.asarray([p(test_xs) for p in Pi]), -1))
assert_almost_equal(
P.derivatives(test_xs), np.transpose(np.asarray([p.derivatives(test_xs) for p in Pi]), (1, 2, 0))
)示例6: test_shapes_vectorvalue_derivative
def test_shapes_vectorvalue_derivative(self):
P = KroghInterpolator(self.xs,np.outer(self.ys,np.arange(3)))
n = P.n
assert_array_equal(np.shape(P.derivatives(0)), (n,3))
assert_array_equal(np.shape(P.derivatives([0])), (n,1,3))
assert_array_equal(np.shape(P.derivatives([0,1])), (n,2,3))示例7: test_high_derivative
def test_high_derivative(self):
P = KroghInterpolator(self.xs,self.ys)
for i in xrange(len(self.xs),2*len(self.xs)):
assert_almost_equal(P.derivative(self.test_xs,i),
np.zeros(len(self.test_xs)))示例8: test_derivative
def test_derivative(self):
P = KroghInterpolator(self.xs,self.ys)
m = 10
r = P.derivatives(self.test_xs,m)
for i in xrange(m):
assert_almost_equal(P.derivative(self.test_xs,i),r[i])示例9: test_low_derivatives
def test_low_derivatives(self):
P = KroghInterpolator(self.xs,self.ys)
D = P.derivatives(self.test_xs,len(self.xs)+2)
for i in xrange(D.shape[0]):
assert_almost_equal(self.true_poly.deriv(i)(self.test_xs),
D[i])