摘要：# coding-utf-8 import numpy as np import pandas as pd import matplotlib.pyplot as plt class LR: def __init__(self, data, learning_rate=0.001, iter_max 阅读全文

摘要：# coding-utf-8 import numpy as np import pandas as pd import matplotlib.pyplot as plt import random import pickle class LR: def __init__(self, data, l 阅读全文

摘要：-i https://pypi.tuna.tsinghua.edu.cn/simple 配置全局清华源 python -m pip install --upgrade pip pip config set global.index-url https://pypi.tuna.tsinghua.edu 阅读全文

摘要：在file中找到settings，再找project Interpret。确认pycharm的环境变量包含python的安装环境。 如果project Interpreter中出现下你安装过的numpy和opencv-python信息，在pycharm中导入import cv2就成功了。 阅读全文

摘要：https://www.cnblogs.com/chenxi188/p/10862503.html 阅读全文