本文整理汇总了Python中scipy.interpolate.PPoly方法的典型用法代码示例。如果您正苦于以下问题：Python interpolate.PPoly方法的具体用法？Python interpolate.PPoly怎么用？Python interpolate.PPoly使用的例子？那么, 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scipy.interpolate的用法示例。
在下文中一共展示了interpolate.PPoly方法的1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: create_spline
# 需要导入模块: from scipy import interpolate [as 别名]
# 或者: from scipy.interpolate import PPoly [as 别名]
def create_spline(y, yp, x, h):
"""Create a cubic spline given values and derivatives.
Formulas for the coefficients are taken from interpolate.CubicSpline.
Returns
-------
sol : PPoly
Constructed spline as a PPoly instance.
"""
from scipy.interpolate import PPoly
n, m = y.shape
c = np.empty((4, n, m - 1), dtype=y.dtype)
slope = (y[:, 1:] - y[:, :-1]) / h
t = (yp[:, :-1] + yp[:, 1:] - 2 * slope) / h
c[0] = t / h
c[1] = (slope - yp[:, :-1]) / h - t
c[2] = yp[:, :-1]
c[3] = y[:, :-1]
c = np.rollaxis(c, 1)
return PPoly(c, x, extrapolate=True, axis=1)