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

2 c6 K- H5 |+ S) c/ R, vclc
( `9 L$ H- t6 V" U% @- ]5 \# M5 _clear
% t3 ]) ?) {% N& o' Gsyms thetal1 thetal6 thetal4 thetal5 thetal8 s r
thetal1set=[90:1:120];
thetal2=348;
thetal3=12;
9 R7 \  s& |0 s/ A: x/ w# J8 [6 v1 }thetal8=12;
5 o8 B( \. Q5 P4 hthetal6=zeros(size(thetal1set));
/ \) A. A, ~) B4 u' {6 T3 v& x: G. Qthetal4=zeros(size(thetal1set));
) B' P4 k! @+ z) E9 \% {thetal5=zeros(size(thetal1set));
2 O+ {4 w+ X" A8 D) O8 P- `thetal8=zeros(size(thetal1set));
s=zeros(size(thetal1set));
r=zeros(size(thetal1set));
a=0.55;
b=0.89;
& i7 h1 o" Z" i% e+ ]& M. rl1=0.19;
l2=0.38;
' w$ j: B5 M5 G9 }/ X0 O9 g, Sl4=1.007;
l5=0.15;
l7=0.45;
l8=0.22;
l9=0.18;
6 I( X3 K9 x8 j3 n( ]f2=2034/4*cos(12*2*pi/360)*0.4*2;
for i=1:1:numel(thetal1set)
    thetal1=thetal1set(i);
) ?9 k% c' Z: |! Z; d    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;
    eq3=l7.*cos(thetal4*2*pi/360)+l9.*cos(thetal5*2*pi/360)+s.*cos(thetal3*2*pi/360)==b;
    eq4=l7.*sin(thetal4*2*pi/360)+l9.*sin(thetal5*2*pi/360)+s.*sin(thetal3*2*pi/360)==l8+a;
    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);
) y6 C! D# E  k; i    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);
    sol=vpasolve([eq1,eq2,eq3,eq4,eq5,eq6],[thetal6,thetal4,thetal5,thetal8,s,r])
    thetal6(i)=double(sol.thetal6);
    thetal4(i)=double(sol.thetal4);
$ q- t# U2 V- P9 K0 x  X! ]% o  \    thetal5(i)=double(sol.thetal5);
4 c0 F4 v+ L% b    thetal8(i)=double(sol.thetal8);
   s(i)=double(sol.s);
   r(i)=double(sol.r);
( a8 `. T) R/ x7 U9 Z" D    t=sqrt(l1^2+r^2-2*l1*r*cos(thetal1*2*pi/360+thetal8*2*pi/360));
& a  _2 F$ D4 |; p) k    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)))));
    F=F1*l1*sin(thetal7)/(l2*sin(pi-thetal1*2*pi/360));
end
0 T: U  Q& F; q5 h$ F* X, fplot(thetal1,F)
  \2 {$ N( q  O5 M5 I+ V. O! Wxlabel('角度/。');
ylabel('缓解力/N');
hold on
9 I* [/ E2 D# Igrid on
8 b/ V  J: I0 ?# g, ^* i! z1 d

9 i' I9 D' U+ N4 [1 `

modengxian111

问题解决了吗