本文整理匯總了Python中scipy.interpolate.PPoly方法的典型用法代碼示例。如果您正苦於以下問題：Python interpolate.PPoly方法的具體用法？Python interpolate.PPoly怎麽用？Python interpolate.PPoly使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類scipy.interpolate的用法示例。
在下文中一共展示了interpolate.PPoly方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: create_spline
# 需要導入模塊: from scipy import interpolate [as 別名]
# 或者: from scipy.interpolate import PPoly [as 別名]
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)