x=0:15:360;a=2*38*63*sin(x);b=2*63*(38*cos(x)-90);c=103^2-38^2-63^2-90^2+2*38*90*cos(x);y=2*atan((a+sqrt(a.^2+b.^2-c.^2))./(b-c))z=asind((63*sin(y)-38*sin(x))/103)w2=(-38*3.14*sin(x-y))/(103*sin(z-y))plot(x,w2)为什么运行结果w2是一个常数?

Question

x=0:15:360;a=2*38*63*sin(x);b=2*63*(38*cos(x)-90);c=103^2-38^2-63^2-90^2+2*38*90*cos(x);y=2*atan((a+sqrt(a.^2+b.^2-c.^2))./(b-c))
z=asind((63*sin(y)-38*sin(x))/103)
w2=(-38*3.14*sin(x-y))/(103*sin(z-y))
plot(x,w2)
为什么运行结果w2是一个常数?错在哪里啊?

Answer 1

w2 那行的除号前面加个点