signal.argrelextrema

scipy.signal.argrelextrema(data,comparator,axis=0,order=1,mode='clip')[source]¶calculate the

import scipy.signal as signal extreme_geater=signal.argrelextrema(data,np.greater)#给出的是位置标号

def ismonotonic(x):max_peaks=signal.argrelextrema(x,np.greater)[0]min_peaks=signal.argrelextrema(x,

python 寻找离散序列极值点 使用 scipy.signal 的 argrelextrema 函数(API)，简单方便地寻找离散序列极值点

scipy.signal.argrelextrema import numpy as np vector=[0,6,25,20,15,8,15,6,0,6,0,-5,-15,-3,4,10,8,13,

argrelmax notes new in version 0.11.0.examples>>>from scipy.signal import argrelextrema>>>x=np.array

print(x[signal.argrelextrema(x,np.greater)]) print(signal.argrelextrema(x,np.greater)) 但是这个命令

plt.plot(signal.argrelextrema(x,np.greater)[0],x[signal.argrelextrema(x,np.greater)],'o')

import cv2 import operator import numpy as np import matplotlib.pyplot as plt import sys from scipy.