用matlab求解也不麻烦。
syms e4 e5 e6
K1=50+410*cos(e4)*cos(e5)*sin(e6)+410*cos(e4)*sin(e5)*cos(e6)+200*cos(e4)*cos(e5);
K2=410*sin(e5)*sin(e6)-410*cos(e5)*cos(e6)+200*sin(e5);
K3=410*sin(e4)*cos(e5)*sin(e6)+410*sin(e4)*sin(e5)*cos(e6)+200*sin(e4)*cos(e5);
[e4 e5 e6]= solve(K1-660==0,K2==0,K3==0)
