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whycool2001

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[求助] matlab 方程表达式

zb=6;
zg=zb-1;
i=zb/zg;
k=1.24;
h=0.44;
e=10;
Rz=k*zb*e;
rz=h*zb*e;
namda=e*i/(Rz*(i-1));
fai=[0:0.01:2*pi];
x2=Rz*sin(fai)-e*sin(zb*fai)+rz*(namda*sin(zb*fai)-sin(fai))./(1+namda^2-2*namda*cos(zg*fai)).^0.5;
y2=Rz*cos(fai)-e*cos(zb*fai)-rz*(-namda*cos(zb*fai)+cos(fai))./(1+namda^2-2*namda*cos(zg*fai)).^0.5;
syms fai1 zb1 namda1
s=solve('sin((zb1*fai1+alpha2)/2)*(cos((zb1-2)-alpha2)/2)-namda1*cos((zb1*fai1+alpha2)/2)=0','alpha2')
s=subs(s,namda1,namda)
s=subs(s,zb1,zb)
alpha2=subs(s,fai1,fai)
求 alpha2的时候出错,怎么修改。
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