本文整理汇总了Python中numpy.polynomial.hermite.hermfromroots方法的典型用法代码示例。如果您正苦于以下问题：Python hermite.hermfromroots方法的具体用法？Python hermite.hermfromroots怎么用？Python hermite.hermfromroots使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类numpy.polynomial.hermite的用法示例。
在下文中一共展示了hermite.hermfromroots方法的4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_hermfromroots
# 需要导入模块: from numpy.polynomial import hermite [as 别名]
# 或者: from numpy.polynomial.hermite import hermfromroots [as 别名]
def test_hermfromroots(self):
res = herm.hermfromroots([])
assert_almost_equal(trim(res), [1])
for i in range(1, 5):
roots = np.cos(np.linspace(-np.pi, 0, 2*i + 1)[1::2])
pol = herm.hermfromroots(roots)
res = herm.hermval(roots, pol)
tgt = 0
assert_(len(pol) == i + 1)
assert_almost_equal(herm.herm2poly(pol)[-1], 1)
assert_almost_equal(res, tgt) 示例2: test_hermroots
# 需要导入模块: from numpy.polynomial import hermite [as 别名]
# 或者: from numpy.polynomial.hermite import hermfromroots [as 别名]
def test_hermroots(self):
assert_almost_equal(herm.hermroots([1]), [])
assert_almost_equal(herm.hermroots([1, 1]), [-.5])
for i in range(2, 5):
tgt = np.linspace(-1, 1, i)
res = herm.hermroots(herm.hermfromroots(tgt))
assert_almost_equal(trim(res), trim(tgt)) 示例3: test_hermfromroots
# 需要导入模块: from numpy.polynomial import hermite [as 别名]
# 或者: from numpy.polynomial.hermite import hermfromroots [as 别名]
def test_hermfromroots(self) :
res = herm.hermfromroots([])
assert_almost_equal(trim(res), [1])
for i in range(1, 5) :
roots = np.cos(np.linspace(-np.pi, 0, 2*i + 1)[1::2])
pol = herm.hermfromroots(roots)
res = herm.hermval(roots, pol)
tgt = 0
assert_(len(pol) == i + 1)
assert_almost_equal(herm.herm2poly(pol)[-1], 1)
assert_almost_equal(res, tgt) 示例4: test_hermroots
# 需要导入模块: from numpy.polynomial import hermite [as 别名]
# 或者: from numpy.polynomial.hermite import hermfromroots [as 别名]
def test_hermroots(self) :
assert_almost_equal(herm.hermroots([1]), [])
assert_almost_equal(herm.hermroots([1, 1]), [-.5])
for i in range(2, 5) :
tgt = np.linspace(-1, 1, i)
res = herm.hermroots(herm.hermfromroots(tgt))
assert_almost_equal(trim(res), trim(tgt))