Python在数组最大值之后找到最小值 [英] Python find minimum after maximum of array

问题描述

亲爱的， 我有一个像图片一样的数组列表:[100,200,150,300] 我想找到第一个最小值之后的第一个最大值， 例如，在图片中，我想找到150个最小数组.

Hi dears, I have a array list like picture: [100,200,150,300] I want to find first minimum after first maximum, As example in the picture i want to find 150 as minimum of array.

推荐答案

scipy中有一个名为argrelextrema的软件包.您可以使用它.

There is a package in scipy named argrelextrema. You can use that.

import numpy as np
from scipy.signal import argrelextrema
x = np.array([100,200,150,300])

# for local minima
x[argrelextrema(x, np.less)]

---

array([150])

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