求d集的局部极大值

angle = allAngles.readlines() maxima = [0] def checker(number): counter = 0 for j in range(-4, 5): if float(angle[number + j]) <= float(angle[number]): counter += 1 if counter == 9: return True for i in range(4, len(angle)-6): if checker(i): if float(angle[i]) != maxima[len(maxima)-1]: maxima.append(float(angle[i]))

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1条回答

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1楼 · 发布于 2024-10-04 05:28:12

您的问题在于排除逻辑：

     if float(angle[i]) != maxima[len(maxima)-1]:

许多连续的最大值具有相同的值，但在文件中被大约25行隔开。上面的检查代码明确地排除了这些

如果您试图避免多次记录“扁平线”最大值，则需要检查本地元素，而不是最后一个成功的元素：检查上一个元素

     if float(angle[i]) != float(angle[i-1]):

程序中还有其他需要清理的内容，但这一项将是必要的功能性差异

最值得注意的是，删除连续转换：您的程序只处理float，所以将所有内容都转换一次：

angle = [float(x) for x in open('qqq').readlines()]

然后，使用内置的max函数，而不是编写自己的函数：

 if angle[i] == max(angle[i-4:i+5]):

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