这个程序报错，各位大神能帮我看下嘛，我是想求thetal1的变化和F的关系

玛克博罗

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% @& Y( s1 f5 \. k/ d$ N2 K/ ^clear
syms thetal1 thetal6 thetal4 thetal5 thetal8 s r
thetal1set=[90:1:120];
/ F" J) ~" s: X% ythetal2=348;
& V$ X" Z- B5 l( Vthetal3=12;
* f/ \' |: r" |+ n6 H7 y  c+ i3 Bthetal8=12;
thetal6=zeros(size(thetal1set));
" M$ R% P: l6 C4 h$ sthetal4=zeros(size(thetal1set));
thetal5=zeros(size(thetal1set));
thetal8=zeros(size(thetal1set));
2 i6 T2 y3 E6 {s=zeros(size(thetal1set));
r=zeros(size(thetal1set));
a=0.55;
b=0.89;
l1=0.19;
l2=0.38;
l4=1.007;
l5=0.15;
5 H; O* q2 L( C" Y6 _l7=0.45;
l8=0.22;
l9=0.18;
( z: x! B1 O+ f0 X8 a- Pf2=2034/4*cos(12*2*pi/360)*0.4*2;
for i=1:1:numel(thetal1set)
    thetal1=thetal1set(i);
    eq1=l4.*cos(thetal6*2*pi/360)+l1.*cos(thetal1*2*pi/360)==l5.*cos(thetal4*2*pi/360)+s.*cos(thetal3*2*pi/360);
    eq2=l4.*sin(thetal6*2*pi/360)+l1.*sin(thetal1*2*pi/360)==l5.*sin(thetal4*2*pi/360)+s.*sin(thetal3*2*pi/360)-l8;
4 W  h% n0 X$ O6 T0 y/ f* e' `    eq3=l7.*cos(thetal4*2*pi/360)+l9.*cos(thetal5*2*pi/360)+s.*cos(thetal3*2*pi/360)==b;
* K4 O1 x' Z# I5 E0 ^    eq4=l7.*sin(thetal4*2*pi/360)+l9.*sin(thetal5*2*pi/360)+s.*sin(thetal3*2*pi/360)==l8+a;
; `% Y" M- p3 {    eq5=l4.*cos(thetal6*2*pi/360)+l5.*cos(thetal4*2*pi/360+pi)+l1.*cos(thetal1*2*pi/360)==r.*cos(thetal8*2*pi/360);
    eq6=l4.*sin(thetal6*2*pi/360)+l5.*sin(thetal4*2*pi/360+pi)+l1.*sin(thetal1*2*pi/360)==r.*sin(thetal8*2*pi/360);
8 W% b: v8 n- H  f    sol=vpasolve([eq1,eq2,eq3,eq4,eq5,eq6],[thetal6,thetal4,thetal5,thetal8,s,r])
    thetal6(i)=double(sol.thetal6);
. d! M+ q$ s+ ]' ^% o    thetal4(i)=double(sol.thetal4);
4 [3 b! B8 ?4 `# `7 l, E4 z    thetal5(i)=double(sol.thetal5);
    thetal8(i)=double(sol.thetal8);
2 K7 z9 D" q: r. {6 P   s(i)=double(sol.s);
   r(i)=double(sol.r);
6 Z* k6 e2 l4 }/ U    t=sqrt(l1^2+r^2-2*l1*r*cos(thetal1*2*pi/360+thetal8*2*pi/360));
    thetal7=acos((l4^2+t^2-l5^2)/(2*l4*t))+acos((l1^2+t^2-r^2)/(2*l1*t));
    F1=f2*l7*sin(thetal4*2*pi/360-thetal3*2*pi/360)/((l5*sin(pi-acos((l4^2+l5^2-t^2)/(2*l4*l5)))));
0 L2 n; f4 m) [1 ^' A    F=F1*l1*sin(thetal7)/(l2*sin(pi-thetal1*2*pi/360));
end
( Z$ M7 f6 L- A) q9 z! G( ]plot(thetal1,F)
3 j  z% u) D4 @xlabel('角度/。');
ylabel('缓解力/N');
6 z) Q; P0 I# ~6 h  d9 bhold on
  ^: ^+ J% s$ `& m# i/ ugrid on

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modengxian111

问题解决了吗