诡异的楼梯 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others) Total Submission(s): 17892 Accepted Submission(s): 4652 Problem Description Hogwarts正式开学以后,Harry发现在Hogwarts里,某些楼梯并不是静止不动的,相反,他们每隔一分钟就变动一次方向. 比如下面的例子里,一开始楼梯在竖直方向,一
Matplotlib基本图形之折线图折线图特点 折线图是用折线将各数据连起来组成的图形常用来观察数据随时间变化的趋势例如:股票价格,温度变化,等等 示例代码: import os import time import numpy as np import matplotlib.pyplot as plt import matplotlib.dates as mdates basedir = os.path.dirname(os.path.abspath(__file__)) resultdir
用matplotlib模块 #!usr/bin/env python #encoding:utf-8 ''' __Author__:沂水寒城 功能:折线图.散点图测试 ''' import random import matplotlib import matplotlib.pyplot as plt def list2mat(data_list,w): ''' 切片.转置 ''' mat=[] res=[] for i in range(0,len(data_list)-w+1,w): mat