clc;
close all;
clear all;
syms alfa beta q4
x=200;
y=200;
z=1000;
alfa=atan(x/z);
beta=atan(y*sin(alfa)/x);
oo1=[x-q4*sin(alfa)*cos(beta);
y-q4*sin(beta);
z-q4*cos(alfa)*cos(beta)];
r1=sqrt(oo1(1,1)^2+oo1(2,1)^2+oo1(3,1)^2);
q4=(y-r1*sin(beta))/sin(beta)
能帮我看看么?
怎么才能求出q4,用什么样的函数求借?