Pc1 =[-9.3225,-63.7486,199.4819];
Pc2=[ -50.7775,-52.8743,173.7286];
Pc3=[-54.4475,-29.6580,192.3709];
x=[Pc1(1);Pc2(1);Pc3(1);Pc1(1)];
y=[Pc1(2);Pc2(2);Pc3(2);Pc1(2)];
z=[Pc1(3);Pc2(3);Pc3(3);Pc1(3)];
plot3(x,y,z)
xlabel('X')
ylabel('Y')
zlabel('Z')
grid on
有问题欢迎追问,满意请采纳,谢谢!