2020年10月20日
Python: 快速实现人脸识别
摘要： 首先安装opencv：（在jupyter notebook里） 1 ! pip install opencv-python 接下来，从电脑的摄像头读取视频，识别视频内的人脸。 1 import cv2 2 3 face_cascade = cv2.CascadeClassifier('haarcas 阅读全文
posted @ 2020-10-20 08:31 cfdchen 阅读(912) 评论(0) 推荐(0)
Python: 2D integration with Scipy
摘要： 1 # import packages 2 import matplotlib.pyplot as plt 3 import numpy as np 4 import time 5 from mpl_toolkits.mplot3d import Axes3D 6 from matplotlib i 阅读全文
posted @ 2020-10-20 07:25 cfdchen 阅读(149) 评论(0) 推荐(0)
Python: use Rectangle method, Trapezoid method, Simpson method to do integration numerically
摘要： 1 import numpy as np 2 import matplotlib.pyplot as plt 3 4 filename = 'Unradiated_CG_Steel.txt' 5 f = np.genfromtxt(filename, delimiter=',') 6 X = f[: 阅读全文
posted @ 2020-10-20 07:13 cfdchen 阅读(143) 评论(0) 推荐(0)