//两点间距离 function getDist(px1, py1, px2, py2) { var vx=px2-px1; var vy=py2-py1; var hyp=Math.sqrt(Math.pow(vx,2)+Math.pow(vy,2)); return hyp; } var long:Number=getDist(0,0,100,100) trace(long)
//两点间角度 function getAngle(px1, py1, px2, py2) { var vx=px2-px1; var vy=py2-py1; var hyp=Math.sqrt(Math.pow(vx,2)+Math.pow(vy,2)); var rad=Math.acos(vx/hyp); var deg = 180/(Math.PI / rad); //得到了一个角度“rad”,不过是以弧度为单位的 //把它转换成角度 if (vy<0) { deg=(-deg)
Inputs: [AorV] Either A or V where A is a NxN adjacency matrix, where A(I,J) is nonzero if and only if an edge connects point I to point J NOTE: Works for both symmetric and asymmetric A V is a Nx2 (or Nx3) matrix of x,y,(z) coordinates [xyCorE] Eit
进行车牌定位和识别 clear; clc; close all; chos=0; possibility=5; while chos~=possibility, %%%%%%%%%%%%%%%%%%%%%%%%%制作操作栏%%%%%%%%%%%%%%%%%% chos=menu('车牌定位系统','载入图片','图象处理','图象分割','车牌号码识别','退出'); if chos==1, clc; [namefile,pathname]=uigetfile('*.jpg','Select