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>> x(1)=10;
y(1)=6;
z(1)=12;
s(1)=6;
j(1)=7;
v(1)=9;
l(1)=4;
r(1)=-1;
o(1)=3;
q=0.98;
a=10;
b=8/3;
c=28;
d(11)=11;
d(12)=18
d(13)=9;
d(21)=8;
d(22)=19;
d(23)=10;
d(31)=11;
d(32)=20;
d(33)=9;
n=500;
h=0.01;
gammaq=1.0119;
gammaq1=1.9636;

for   i=1:n+1
i

a1(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(a*(y(1)-x(1))+d(11)*(-2x(1)+s(1)+l(1)));
a2(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(c*x(1)-x(1)*z(1)-y(1)+d(12)*(-2y(1)+j(1)+r(1)));
a3(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(x(1)*y(1)-b*z(1)+d(13)*(-2z(1)+v(1)+o(1)));
a4(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(a*(j(1)-s(1))+d(21)*(-2s(1)+x(1)+l(1)));
a5(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(c*s(1)-s(1)*v(1)-j(1)+d(22)*(-2j(1)+y(1)+r(1)));
a6(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*((s(1)*j(1))-b*v(1)+d(23)*(-2v(1)+z(1)+o(1)));
a7(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(a*(r(1)-l(1))+d(31)*(-2l(1)+x(1)+s(1)));
a8(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(c*l(1)-l(1)*o(1)-r(1)+d(32)*(-2r(1)+y(1)+j(1))); 
a9(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(l(1)*r(1)-b*o(1)+d(33)*(-2o(1)+z(1)+v(1)));

b1(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(a*(y(1)-x(1))+d(11)*(-2x(1)+s(1)+l(1)));
b2(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(c*x(1)-x(1)*z(1)-y(1)+d(12)*(-2y(1)+j(1)+r(1)));
b3(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(y(1)*x(1)-b*z(1)+d(13)*(-2z(1)+v(1)+o(1))); 
b4(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(a*(j(1)-s(1))+d(21)*(-2s(1)+x(1)+l(1)));
b5(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(c*s(1)-s(1)*v(1)-j(1)+d(22)*(-2j(1)+y(1)+r(1)));
b6(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(s(1)*j(1)-b*v(1)+d(23)*(-2v(1)+z(1)+o(1)));
b7(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(a*(r(1)-l(1))+d(31)*(-2l(1)+x(1)+s(1)));
b8(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(c*l(1)-l(1)*o(1)-r(1)+d(32)*(-2r(1)+y(1)+j(1)));
b9(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(l(1)*r(1)-b*o(1)+d(33)*(-2o(1)+z(1)+v(1)));


for(k=2:i+1)
    
a1(i+1,k)=a1(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(a*(y(k-1)-x(k-1))+d(11)*(-2x(1)+s(1)+l(1)));
a2(i+1,k)=a2(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(c*x(k-1)-x(k-1)*z(k-1)-y(k-1)+d(12)*(-2y(1)+j(1)+r(1)));
a3(i+1,k)=a3(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*((x(k-1)*y(k-1))-b*z(k-1)+d(13)*(-2z(1)+v(1)+o(1)));
a4(i+1,k)=a4(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(a*(j(k-1)-s(k-1))+d(21)*(-2s(1)+x(1)+l(1)));
a5(i+1,k)=a5(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(c*s(k-1)-s(k-1)*v(k-1)-j(k-1)+d(22)*(-2j(1)+y(1)+r(1)));
a6(i+1,k)=a6(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(s(k-1)*j(k-1)-b*v(k-1)+d(23)*(-2v(1)+z(1)+o(1)));
a7(i+1,k)=a7(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(a*(r(k-1)-l(k-1))+d(31)*(-2l(1)+x(1)+s(1)));
a8(i+1,k)=a8(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(c*l(k-1)-l(k-1)*o(k-1)-r(k-1)+d(32)*(-2r(1)+y(1)+j(1))); 
a9(i+1,k)=a9(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(l(k-1)*r(k-1)-b*o(k-1)+d(33)*(-2o(1)+z(1)+v(1)));

b1(i+1,k)=b1(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(a*(y(k-1)-x(k-1))+d(11)*(-2x(1)+s(1)+l(1)));
b2(i+1,k)=b2(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(c*x(k-1)-x(k-1)*z(k-1)-y(k-1)+d(12)*(-2y(1)+j(1)+r(1)));
b3(i+1,k)=b3(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(y(k-1)*x(k-1)-b*z(k-1)+d(13)*(-2z(1)+v(1)+o(1)));
b4(i+1,k)=b4(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(a*(j(k-1)-s(k-1))+d(21)*(-2s(1)+x(1)+l(1)));
b5(i+1,k)=b5(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(c*s(k-1)-s(k-1)*v(k-1)-j(k-1)+d(22)*(-2j(1)+y(1)+r(1)));
b6(i+1,k)=b6(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(s(k-1)*j(k-1)-b*v(k-1)+d(23)*(-2v(1)+z(1)+o(1)));
b7(i+1,k)=b7(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(a*(r(k-1)-l(k-1))+d(31)*(-2l(1)+x(1)+s(1)));
b8(i+1,k)=b8(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(c*l(k-1)-l(k-1)*o(k-1)-r(k-1)+d(32)*(-2r(1)+y(1)+j(1)));
b9(i+1,k)=b9(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(l(k-1)*r(k-1)-b*o(k-1)+d(33)*(-2o(1)+z(1)+v(1)));
end

xp(i+1)=x(1)+1/gammaq*b1(i+1,i);
yp(i+1)=y(1)+1/gammaq*b2(i+1,i);
zp(i+1)=z(1)+1/gammaq*b3(i+1,i);
sp(i+1)=s(1)+1/gammaq*b4(i+1,i);
jp(i+1)=j(1)+1/gammaq*b5(i+1,i);
vp(i+1)=v(1)+1/gammaq*b6(i+1,i);
lp(i+1)=l(1)+1/gammaq*b7(i+1,i);
rp(i+1)=r(1)+1/gammaq*b8(i+1,i);
op(i+1)=o(1)+1/gammaq*b9(i+1,i);
x(i+1)=x(1)+h^q/gammaq1*(a*(yp(i+1)-xp(i+1))+d(11)*(-2xp(i+1)+sp(i+1)+lp(i+1)))+h^q/gamma(q+2)*a1(i+1,i);
y(i+1)=y(1)+h^q/gammaq1*(c*xp(i+1)-xp(i+1)*zp(i+1)-yp(i+1)+d(12)*(-2yp(i+1)+jp(i+1)+rp(i+1)))+h^q/gamma(q+2)*a2(i+1,i);
z(i+1)=z(1)+h^q/gammaq1*(xp(i+1)*yp(i+1)-b*zp(i+1)+d(13)*(-2zp(i+1)+vp(i+1)+op(i+1)))+h^q/gamma(q+2)*a3(i+1,i);
s(i+1)=s(1)+h^q/gammaq1*(a*(jp(i+1)-sp(i+1))+d(21)*(-2sp(i+1)+xp(i+1)+lp(i+1)))+h^q/gamma(q+2)*a4(i+1,i);
j(i+1)=j(1)+h^q/gammaq1*(c*sp(i+1)-sp(i+1)*vp(i+1)-jp(i+1)+d(22)*(-2jp(i+1)+yp(i+1)+rp(i+1)))+h^q/gamma(q+2)*a5(i+1,i);
v(i+1)=v(1)+h^q/gammaq1*(sp(i+1)*jp(i+1)-b*vp(i+1)+d(23)*(-2vp(i+1)+zp(i+1)+op(i+1)))+h^q/gamma(q+2)*a6(i+1,i);
l(i+1)=l(1)+h^q/gammaq1*(a*(rp(i+1)-lp(i+1))+d(31)*(-2lp(i+1)+sp(i+1)+xp(i+1)))+h^q/gamma(q+2)*a7(i+1,i);
r(i+1)=r(1)+h^q/gammaq1*(c*lp(i+1)-lp(i+1)*op(i+1)-rp(i+1)+d(32)*(-2rp(i+1)+yp(i+1)+jp(i+1)))+h^q/gamma(q+2)*a8(i+1,i);
o(i+1)=o(1)+h^q/gammaq1*(lp(i+1)*rp(i+1)-b*op(i+1)+d(33)*(-2op(i+1)+zp(i+1)+vp(i+1)))+h^q/gamma(q+2)*a9(i+1,i);

e1(i)=s(i+1)-x(i+1);
e2(i)=j(i+1)-y(i+1);
e3(i)=v(i+1)-z(i+1);
e4(i)=l(i+1)-s(i+1);
e5(i)=r(i+1)-j(i+1);
e6(i)=o(i+1)-v(i+1);
end
x=1:n+1;
x=x*0.01;

subplot(3,2,1);
plot(x,e1);
xlabel('t');
ylabel('e1');
axis([0 15 -4 2]);

subplot(3,2,2);
plot(x,e2);
xlabel('t');
ylabel('e2');
axis([0 15 -2 4]);

subplot(3,2,3);
plot(x,e3);
xlabel('t');
ylabel('e3');
axis([0 15 -2 4]);

subplot(3,2,4);
plot(x,e4);
xlabel('t');
ylabel('e4');
axis([0 15 -4 2]);

subplot(3,2,5);
plot(x,e5);
xlabel('t');
ylabel('e5');
axis([0 15 -10 5]);

subplot(3,2,6);
plot(x,e6);
xlabel('t');
ylabel('e6');
axis([0 15 -10 5]);

d =

  Columns 1 through 23 

     0     0     0     0     0     0     0     0     0     0    11    18     9     0     0     0     0     0     0     0     8    19    10

  Columns 24 through 33 

     0     0     0     0     0     0     0    11    20     9

??? a1(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(a*(y(1)-x(1))+d(11)*(-2x(1)+s(1)+l(1)));
                                                              |
Error: ")" expected, "identifier" found.


d =

  Columns 1 through 23 

     0     0     0     0     0     0     0     0     0     0    11    18     9     0     0     0     0     0     0     0     8    19    10

  Columns 24 through 33 

     0     0     0     0     0     0     0    11    20     9

??? a1(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(a*(y(1)-x(1))+d(11)*(-2x(1)+s(1)+l(1)));
                                                              |
Error: ")" expected, "identifier" found.

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沙发

??? a1(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(a*(y(1)-x(1))+d(11)*(-2x(1)+s(1)+l(1)));
                                                              |
问题出在-2x(1)上,你少写了一个*号,乘号在这里是不能省略的。同样的问题还出现在其他类似的地方,我已经全帮你改过来了,如下:

>> x(1)=10;
y(1)=6;
z(1)=12;
s(1)=6;
j(1)=7;
v(1)=9;
l(1)=4;
r(1)=-1;
o(1)=3;
q=0.98;
a=10;
b=8/3;
c=28;
d(11)=11;
d(12)=18
d(13)=9;
d(21)=8;
d(22)=19;
d(23)=10;
d(31)=11;
d(32)=20;
d(33)=9;
n=500;
h=0.01;
gammaq=1.0119;
gammaq1=1.9636;

for   i=1:n+1
i

a1(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(a*(y(1)-x(1))+d(11)*(-2*x(1)+s(1)+l(1)));
a2(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(c*x(1)-x(1)*z(1)-y(1)+d(12)*(-2*y(1)+j(1)+r(1)));
a3(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(x(1)*y(1)-b*z(1)+d(13)*(-2*z(1)+v(1)+o(1)));
a4(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(a*(j(1)-s(1))+d(21)*(-2*s(1)+x(1)+l(1)));
a5(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(c*s(1)-s(1)*v(1)-j(1)+d(22)*(-2*j(1)+y(1)+r(1)));
a6(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*((s(1)*j(1))-b*v(1)+d(23)*(-2*v(1)+z(1)+o(1)));
a7(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(a*(r(1)-l(1))+d(31)*(-2*l(1)+x(1)+s(1)));
a8(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(c*l(1)-l(1)*o(1)-r(1)+d(32)*(-2*r(1)+y(1)+j(1))); 
a9(i+1,1)=(i^(q+1)-(i-q)*(i+1)^q)*(l(1)*r(1)-b*o(1)+d(33)*(-2*o(1)+z(1)+v(1)));

b1(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(a*(y(1)-x(1))+d(11)*(-2*x(1)+s(1)+l(1)));
b2(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(c*x(1)-x(1)*z(1)-y(1)+d(12)*(-2*y(1)+j(1)+r(1)));
b3(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(y(1)*x(1)-b*z(1)+d(13)*(-2*z(1)+v(1)+o(1))); 
b4(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(a*(j(1)-s(1))+d(21)*(-2*s(1)+x(1)+l(1)));
b5(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(c*s(1)-s(1)*v(1)-j(1)+d(22)*(-2*j(1)+y(1)+r(1)));
b6(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(s(1)*j(1)-b*v(1)+d(23)*(-2*v(1)+z(1)+o(1)));
b7(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(a*(r(1)-l(1))+d(31)*(-2*l(1)+x(1)+s(1)));
b8(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(c*l(1)-l(1)*o(1)-r(1)+d(32)*(-2*r(1)+y(1)+j(1)));
b9(i+1,1)=(h^q)*((i+1)^q-i^q)/q*(l(1)*r(1)-b*o(1)+d(33)*(-2*o(1)+z(1)+v(1)));


for(k=2:i+1)
    
a1(i+1,k)=a1(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(a*(y(k-1)-x(k-1))+d(11)*(-2*x(1)+s(1)+l(1)));
a2(i+1,k)=a2(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(c*x(k-1)-x(k-1)*z(k-1)-y(k-1)+d(12)*(-2*y(1)+j(1)+r(1)));
a3(i+1,k)=a3(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*((x(k-1)*y(k-1))-b*z(k-1)+d(13)*(-2*z(1)+v(1)+o(1)));
a4(i+1,k)=a4(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(a*(j(k-1)-s(k-1))+d(21)*(-2*s(1)+x(1)+l(1)));
a5(i+1,k)=a5(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(c*s(k-1)-s(k-1)*v(k-1)-j(k-1)+d(22)*(-2*j(1)+y(1)+r(1)));
a6(i+1,k)=a6(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(s(k-1)*j(k-1)-b*v(k-1)+d(23)*(-2*v(1)+z(1)+o(1)));
a7(i+1,k)=a7(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(a*(r(k-1)-l(k-1))+d(31)*(-2*l(1)+x(1)+s(1)));
a8(i+1,k)=a8(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(c*l(k-1)-l(k-1)*o(k-1)-r(k-1)+d(32)*(-2*r(1)+y(1)+j(1))); 
a9(i+1,k)=a9(i+1,k-1)+((i-k+3)^(q+1)+(i-k+1)^(q+1)-2*(i-k+2)^(q+1))*(l(k-1)*r(k-1)-b*o(k-1)+d(33)*(-2*o(1)+z(1)+v(1)));

b1(i+1,k)=b1(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(a*(y(k-1)-x(k-1))+d(11)*(-2*x(1)+s(1)+l(1)));
b2(i+1,k)=b2(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(c*x(k-1)-x(k-1)*z(k-1)-y(k-1)+d(12)*(-2*y(1)+j(1)+r(1)));
b3(i+1,k)=b3(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(y(k-1)*x(k-1)-b*z(k-1)+d(13)*(-2*z(1)+v(1)+o(1)));
b4(i+1,k)=b4(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(a*(j(k-1)-s(k-1))+d(21)*(-2*s(1)+x(1)+l(1)));
b5(i+1,k)=b5(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(c*s(k-1)-s(k-1)*v(k-1)-j(k-1)+d(22)*(-2*j(1)+y(1)+r(1)));
b6(i+1,k)=b6(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(s(k-1)*j(k-1)-b*v(k-1)+d(23)*(-2*v(1)+z(1)+o(1)));
b7(i+1,k)=b7(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(a*(r(k-1)-l(k-1))+d(31)*(-2*l(1)+x(1)+s(1)));
b8(i+1,k)=b8(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(c*l(k-1)-l(k-1)*o(k-1)-r(k-1)+d(32)*(-2*r(1)+y(1)+j(1)));
b9(i+1,k)=b9(i+1,k-1)+(h^q)*((i+2-k)^q-(i-k+1)^q)/q*(l(k-1)*r(k-1)-b*o(k-1)+d(33)*(-2*o(1)+z(1)+v(1)));
end

xp(i+1)=x(1)+1/gammaq*b1(i+1,i);
yp(i+1)=y(1)+1/gammaq*b2(i+1,i);
zp(i+1)=z(1)+1/gammaq*b3(i+1,i);
sp(i+1)=s(1)+1/gammaq*b4(i+1,i);
jp(i+1)=j(1)+1/gammaq*b5(i+1,i);
vp(i+1)=v(1)+1/gammaq*b6(i+1,i);
lp(i+1)=l(1)+1/gammaq*b7(i+1,i);
rp(i+1)=r(1)+1/gammaq*b8(i+1,i);
op(i+1)=o(1)+1/gammaq*b9(i+1,i);
x(i+1)=x(1)+h^q/gammaq1*(a*(yp(i+1)-xp(i+1))+d(11)*(-2*xp(i+1)+sp(i+1)+lp(i+1)))+h^q/gamma(q+2)*a1(i+1,i);
y(i+1)=y(1)+h^q/gammaq1*(c*xp(i+1)-xp(i+1)*zp(i+1)-yp(i+1)+d(12)*(-2*yp(i+1)+jp(i+1)+rp(i+1)))+h^q/gamma(q+2)*a2(i+1,i);
z(i+1)=z(1)+h^q/gammaq1*(xp(i+1)*yp(i+1)-b*zp(i+1)+d(13)*(-2*zp(i+1)+vp(i+1)+op(i+1)))+h^q/gamma(q+2)*a3(i+1,i);
s(i+1)=s(1)+h^q/gammaq1*(a*(jp(i+1)-sp(i+1))+d(21)*(-2*sp(i+1)+xp(i+1)+lp(i+1)))+h^q/gamma(q+2)*a4(i+1,i);
j(i+1)=j(1)+h^q/gammaq1*(c*sp(i+1)-sp(i+1)*vp(i+1)-jp(i+1)+d(22)*(-2*jp(i+1)+yp(i+1)+rp(i+1)))+h^q/gamma(q+2)*a5(i+1,i);
v(i+1)=v(1)+h^q/gammaq1*(sp(i+1)*jp(i+1)-b*vp(i+1)+d(23)*(-2*vp(i+1)+zp(i+1)+op(i+1)))+h^q/gamma(q+2)*a6(i+1,i);
l(i+1)=l(1)+h^q/gammaq1*(a*(rp(i+1)-lp(i+1))+d(31)*(-2*lp(i+1)+sp(i+1)+xp(i+1)))+h^q/gamma(q+2)*a7(i+1,i);
r(i+1)=r(1)+h^q/gammaq1*(c*lp(i+1)-lp(i+1)*op(i+1)-rp(i+1)+d(32)*(-2*rp(i+1)+yp(i+1)+jp(i+1)))+h^q/gamma(q+2)*a8(i+1,i);
o(i+1)=o(1)+h^q/gammaq1*(lp(i+1)*rp(i+1)-b*op(i+1)+d(33)*(-2*op(i+1)+zp(i+1)+vp(i+1)))+h^q/gamma(q+2)*a9(i+1,i);

e1(i)=s(i+1)-x(i+1);
e2(i)=j(i+1)-y(i+1);
e3(i)=v(i+1)-z(i+1);
e4(i)=l(i+1)-s(i+1);
e5(i)=r(i+1)-j(i+1);
e6(i)=o(i+1)-v(i+1);
end
x=1:n+1;
x=x*0.01;

subplot(3,2,1);
plot(x,e1);
xlabel('t');
ylabel('e1');
axis([0 15 -4 2]);

subplot(3,2,2);
plot(x,e2);
xlabel('t');
ylabel('e2');
axis([0 15 -2 4]);

subplot(3,2,3);
plot(x,e3);
xlabel('t');
ylabel('e3');
axis([0 15 -2 4]);

subplot(3,2,4);
plot(x,e4);
xlabel('t');
ylabel('e4');
axis([0 15 -4 2]);

subplot(3,2,5);
plot(x,e5);
xlabel('t');
ylabel('e5');
axis([0 15 -10 5]);

subplot(3,2,6);
plot(x,e6);
xlabel('t');
ylabel('e6');
axis([0 15 -10 5]);

部分运行结果:

d =

  Columns 1 through 17 

     0     0     0     0     0     0     0     0     0     0    11    18     9     0     0     0     0

  Columns 18 through 33 

     0     0     0     8    19    10     0     0     0     0     0     0     0    11    20     9
图没有弄上来。
我想请教一下,这段程序是做什么用的??

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