from math import cos, sin,pi x0,y0=0,0 r=4.0 angle=-25 x1 = x0 + r * cos(angle * pi / 180) y1 = y0 + r * sin(angle * pi /180) print(x1) print(y1) 根据点的坐标画出圆的内接三角形: import numpy as np import matplotlib.pyplot as plt x = y = np.arange(-5, 5, 0.1) x1=[-3
import numpy as np import matplotlib.pyplot as plt # ========================================== # 圆的基本信息 # 1.圆半径 r = 2.0 # 2.圆心坐标 a, b = (0., 0.) # ========================================== # 方法一:参数方程 theta = np.arange(0, 2*np.pi, 0.01) x = a + r *
转: Canvas 如何画一个四分之一圆 HTML: Document JS: var c = document.getElementById('ctx') var ctx = c.getContext('2d'); var x = 100; var y = 50; var RADIUS = 80; ctx.beginPath(); ctx.arc(x, y, RADIUS, Math.PI / 2, Math.PI); //sAngle 90 ,eAngle 180 ctx.fillStyle
沉淀再出发:用python画各种图表 一.前言 最近需要用python来做一些统计和画图,因此做一些笔记. 二.python画各种图表 2.1.使用turtle来画图 import turtle as t #turtle库是python的内部库,直接import使用即可 import time def draw_diamond(turt): for i in range(1,3): turt.forward(100) #向前走100步 turt.right(45) #海龟头向右转45度 turt
转自:python画个小猪佩奇 # -*- coding: utf-8 -*- """ Created on Mon May 20 11:36:03 2019 @author: epsoft """ import turtle as t def nose(x,y):#鼻子 t.pu() t.goto(x,y) t.pd() t.seth(-30) t.begin_fill() a=0.4 for i in range(120): if 0<
用python画 pareto front 觉得有用的话,欢迎一起讨论相互学习~Follow Me 2D pf import os import matplotlib.pyplot as plt import numpy as np def Read_Files(filename): X_axis = [] # X Y_axis = [] # Y with open(filename, 'r') as f: for line in f.readlines(): x = line.split("