python scipy.interpolate.splrep插值用法

    from scipy.interpolate import splrep, splev
    X = [1, 9]
    Y = [20, 25]

    new_x = [1, 2, 3, 4, 5, 6, 7, 8, 9]

    # 进行三次样条拟合插值
    ipo3 = splrep(X, Y, k=2)  # 样本点导入,生成参数
    iy3 = splev(new_x, ipo3)  # 根据观测点和样条参数,生成插值
    print(iy3)

输出结果

 

 

 

参考 :https://vimsky.com/examples/usage/python-scipy.interpolate.splrep.html

 

posted on 2022-05-13 15:55  闹不机米  阅读(980)  评论(0编辑  收藏  举报

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