程序是matlab k = acos(cos(A_1)*ay-sin(A_1)*ax) A_1=pi/4;ay=ax=0.7071 为什么算出来k=0.0044而不是0麻烦说下原因+改正方法,
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![程序是matlab k = acos(cos(A_1)*ay-sin(A_1)*ax) A_1=pi/4;ay=ax=0.7071 为什么算出来k=0.0044而不是0麻烦说下原因+改正方法,](/uploads/image/z/13893511-31-1.jpg?t=%E7%A8%8B%E5%BA%8F%E6%98%AFmatlab+k+%3D+acos%28cos%28A_1%29%2Aay-sin%28A_1%29%2Aax%29+A_1%3Dpi%2F4%3Bay%3Dax%3D0.7071+%E4%B8%BA%E4%BB%80%E4%B9%88%E7%AE%97%E5%87%BA%E6%9D%A5k%3D0.0044%E8%80%8C%E4%B8%8D%E6%98%AF0%E9%BA%BB%E7%83%A6%E8%AF%B4%E4%B8%8B%E5%8E%9F%E5%9B%A0%2B%E6%94%B9%E6%AD%A3%E6%96%B9%E6%B3%95%2C)
程序是matlab k = acos(cos(A_1)*ay-sin(A_1)*ax) A_1=pi/4;ay=ax=0.7071 为什么算出来k=0.0044而不是0麻烦说下原因+改正方法,
程序是matlab k = acos(cos(A_1)*ay-sin(A_1)*ax) A_1=pi/4;ay=ax=0.7071 为什么算出来k=0.0044而不是0
麻烦说下原因+改正方法,
程序是matlab k = acos(cos(A_1)*ay-sin(A_1)*ax) A_1=pi/4;ay=ax=0.7071 为什么算出来k=0.0044而不是0麻烦说下原因+改正方法,
不知你是怎么算的,结果也不是你说的那样呀:
clear all;clc;
A_1=pi/4;
ax=0.7071;
ay=ax;
k=acos(cos(A_1)*ay-sin(A_1)*ax)
k =
1.5708