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

' A; r  ^# d5 n, {% y( \
clc
clear
' l) [) I7 f0 l# t& Msyms thetal1 thetal6 thetal4 thetal5 thetal8 s r
7 |8 {- P6 l6 B) E' ^thetal1set=[90:1:120];
thetal2=348;
6 `6 H1 K6 }. Mthetal3=12;
% k3 ?$ a  J8 `; s6 q* s- uthetal8=12;
thetal6=zeros(size(thetal1set));
  _$ u8 |/ i7 b" H0 m' b" Nthetal4=zeros(size(thetal1set));
thetal5=zeros(size(thetal1set));
thetal8=zeros(size(thetal1set));
( h2 n6 `7 S, F9 H4 e8 Es=zeros(size(thetal1set));
" `* Q) Q5 `3 v/ [( z; f, ^+ ?+ Pr=zeros(size(thetal1set));
1 u  x( [# I/ ]7 j$ t  X! A; Z2 Wa=0.55;
b=0.89;
l1=0.19;
l2=0.38;
l4=1.007;
" M3 k; w( d. Ll5=0.15;
" X! N$ K3 q) v: F! S% Nl7=0.45;
l8=0.22;
7 w2 [" U  L, t, \l9=0.18;
- N5 T0 L, U( Wf2=2034/4*cos(12*2*pi/360)*0.4*2;
8 Q4 p+ Q7 [' Q. W1 Dfor 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);
% W5 F  F0 A2 _+ O2 t& ^    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;
0 D. k& K7 n- 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);
3 Q4 F1 ?; ?+ U    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);
: h( t* |, b* c; T  _1 v4 }' R    sol=vpasolve([eq1,eq2,eq3,eq4,eq5,eq6],[thetal6,thetal4,thetal5,thetal8,s,r])
    thetal6(i)=double(sol.thetal6);
! G" g4 l  J& z. _7 @( X" n% k+ Q    thetal4(i)=double(sol.thetal4);
    thetal5(i)=double(sol.thetal5);
6 g0 H) ]) ?2 B/ v    thetal8(i)=double(sol.thetal8);
7 m! [0 U1 u; e0 x* A2 p   s(i)=double(sol.s);
   r(i)=double(sol.r);
( j1 V; v- d4 r7 |# k: i    t=sqrt(l1^2+r^2-2*l1*r*cos(thetal1*2*pi/360+thetal8*2*pi/360));
* j; ?+ c  w- n6 T. f    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)))));
) C) Q! B  }" S9 }# b    F=F1*l1*sin(thetal7)/(l2*sin(pi-thetal1*2*pi/360));
end
3 @; P; I6 X1 Gplot(thetal1,F)
xlabel('角度/。');
) c3 F* A3 T1 L" w' d: ?; c9 mylabel('缓解力/N');
" i* Y' w/ n9 @% x$ X5 l5 thold on
grid on




4 F  E1 @7 T4 C) `9 E

modengxian111

问题解决了吗