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

/ K" c, \  s! @4 R! M/ @+ v; W% vclc
: K. x! f7 C# U( {2 Aclear
+ ?; X+ w- y8 ~( G" ysyms thetal1 thetal6 thetal4 thetal5 thetal8 s r
thetal1set=[90:1:120];
& ]5 l1 [: [5 @0 o8 Ythetal2=348;
8 P" s8 i5 I7 }' C) Rthetal3=12;
- s$ `3 b; p+ ]$ }8 f& Dthetal8=12;
) w$ _& ^7 k* I8 ?% @thetal6=zeros(size(thetal1set));
; Q5 j" Y" o+ D7 M) ^+ Uthetal4=zeros(size(thetal1set));
thetal5=zeros(size(thetal1set));
: e' z) Z( F8 Q# P% c( k0 `thetal8=zeros(size(thetal1set));
' i. W7 b7 d, `6 Ts=zeros(size(thetal1set));
r=zeros(size(thetal1set));
a=0.55;
3 b% R/ C- r2 W  R4 }7 h( S% t+ bb=0.89;
) s0 {# W& m. `l1=0.19;
l2=0.38;
l4=1.007;
- S; Q$ D" O4 I. v% Dl5=0.15;
l7=0.45;
1 a1 Z) l5 ]. Z+ {& ~: _, _3 zl8=0.22;
5 I) V! j) B# S' M3 el9=0.18;
f2=2034/4*cos(12*2*pi/360)*0.4*2;
* V* {# R; V+ O8 L% Z$ Yfor 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;
* S6 ^3 b) U8 ^1 \. B5 V0 k    eq3=l7.*cos(thetal4*2*pi/360)+l9.*cos(thetal5*2*pi/360)+s.*cos(thetal3*2*pi/360)==b;
3 \3 [# |" i0 P0 _    eq4=l7.*sin(thetal4*2*pi/360)+l9.*sin(thetal5*2*pi/360)+s.*sin(thetal3*2*pi/360)==l8+a;
& ?6 P' K, O' q/ w    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);
/ F# ?; y4 T, U/ f+ }    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);
4 Y9 T3 k( W1 E4 |* ~    sol=vpasolve([eq1,eq2,eq3,eq4,eq5,eq6],[thetal6,thetal4,thetal5,thetal8,s,r])
    thetal6(i)=double(sol.thetal6);
    thetal4(i)=double(sol.thetal4);
6 X/ J& U! [/ z    thetal5(i)=double(sol.thetal5);
    thetal8(i)=double(sol.thetal8);
   s(i)=double(sol.s);
   r(i)=double(sol.r);
    t=sqrt(l1^2+r^2-2*l1*r*cos(thetal1*2*pi/360+thetal8*2*pi/360));
0 U( Z0 ~6 E" l% l5 X" T5 r8 q    thetal7=acos((l4^2+t^2-l5^2)/(2*l4*t))+acos((l1^2+t^2-r^2)/(2*l1*t));
! g* L% T$ W' I7 r    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
plot(thetal1,F)
$ w0 _$ I  a% Xxlabel('角度/。');
6 z$ O. P# i& vylabel('缓解力/N');
8 Z, N' @6 b. F& H! o3 t1 k# Khold on
grid on
5 v" T" Y7 z; s" l" v/ ?8 U/ r
1 e8 g: U$ I/ y


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modengxian111

问题解决了吗