t1=input('t1=') w=50/3*pi a=2/3*pi for t=0:0.0001:t1 b=2*w*(
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t1=input('t1=') w=50/3*pi a=2/3*pi for t=0:0.0001:t1 b=2*w*(pi-a)*t/pi c=cos(2/3*pi+b) d=sin(2/3*pi
t1=input('t1=')
w=50/3*pi
a=2/3*pi
for t=0:0.0001:t1
b=2*w*(pi-a)*t/pi
c=cos(2/3*pi+b)
d=sin(2/3*pi)
h=cos(2/3*pi)
[x,y,z]=solve('x^2+y^2+z^2=100^2+170^2','x^2+(z+170*c)
^2=100^2*d^2','y^2+z^2=170^2+100^2*h^2/c^2')
x=subs(x)
y=subs(y)
z=subs(z)
plot3(x,y,z)
end
就是求解这个三元二次方程,然后画出轨迹来,且Y>0的
t1=input('t1=')
w=50/3*pi
a=2/3*pi
for t=0:0.0001:t1
b=2*w*(pi-a)*t/pi
c=cos(2/3*pi+b)
d=sin(2/3*pi)
h=cos(2/3*pi)
[x,y,z]=solve('x^2+y^2+z^2=100^2+170^2','x^2+(z+170*c)
^2=100^2*d^2','y^2+z^2=170^2+100^2*h^2/c^2')
x=subs(x)
y=subs(y)
z=subs(z)
plot3(x,y,z)
end
就是求解这个三元二次方程,然后画出轨迹来,且Y>0的
t1=input('t1=') w=50/3*pi a=2/3*pi for t=0:0.0001:t1 b=2*w*(pi-a)*t/pi c=cos(2/3*pi+b) d=sin(2/3*pi
20 - 离问题结束还有 14 天 8 小时
问题补充:t1=input('t1=')
w=50/3*pi
a=2/3*pi
for t=0:0.0001:t1
b=2*w*(pi-a)*t/pi
c=cos(2/3*pi+b)
d=sin(2/3*pi)
h=cos(2/3*pi)
[x,y,z]=solve('x^2+y^2+z^2=100^2+170^2','x^2+(z+170*c)
^2=100^2*d^2','y^2+z^2=170^2+100^2*h^2/c^2')
x=subs(x)
y=subs(y)
z=subs(z)
plot3(x,y,z)
20 - 离问题结束还有 14 天 8 小时
问题补充:t1=input('t1=')
w=50/3*pi
a=2/3*pi
for t=0:0.0001:t1
b=2*w*(pi-a)*t/pi
c=cos(2/3*pi+b)
d=sin(2/3*pi)
h=cos(2/3*pi)
[x,y,z]=solve('x^2+y^2+z^2=100^2+170^2','x^2+(z+170*c)
^2=100^2*d^2','y^2+z^2=170^2+100^2*h^2/c^2')
x=subs(x)
y=subs(y)
z=subs(z)
plot3(x,y,z)
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