介紹工具箱里面r2d這個小函數的作用。
程序源碼
function deg = r2d(rad)
% Convert angle unit from radian to degree
%
% Prototype: deg = r2d(rad)
% Input: rad - angle in radian(s)
% Output: deg - angle in degree(s)
%
% See also r2dm, r2dms, d2r, dm2r, dms2r% Copyright(c) 2009-2014, by Gongmin Yan, All rights reserved.
% Northwestern Polytechnical University, Xi An, P.R.China
% 30/10/2010
global glvdeg = rad/glv.deg;
MATLAB截圖:
輸入輸出
這個函數很簡單,輸入為弧度,輸出為角度。
原理
glv.deg的值為0.0175,其實就是 180 π \frac{180}{\pi} π180?
根據角度=弧度*pi/180,可以得到:
角度=弧度/0.0175