Question

程序是matlab k = acos(cos(A_1)*ay-sin(A_1)*ax) A_1=pi/4;ay=ax=0

Answer 1

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