I'm not getting any output here, can anyone please tell me what's the issue here?

3 views (last 30 days)
h=0.01;
time=0:h:1;
a1(1)=rand(1,1);
a2(1)=rand(1,1);
g1(1)=rand(1,1);
g2(1)=rand(1,1);
o1(1)=((-3.14).*rand(1,1) + (3.14).*rand(1,1));
o2(1)=((-3.14).*rand(1,1) + (3.14).*rand(1,1));
s1(1)=((-3.14).*rand(1,1) + (3.14).*rand(1,1));
P = 0.5;
a = 0;
T = 2000;
k = 1E-3;
omega1 = 1E5;
omega2 = 2E5;
tp = 1E-12;
p = @(a1,g1) (P - g1 - (1 + 2.*g1).*(((a1)).^2))./T ;
q = @(a2,g2) (P - g2 - (1 + 2.*g2).*(((a2)).^2))./T ;
r = @(g1,a1,o2,o1) (g1).*(a1) + k.*(a2.*cos(o2-o1));
s = @(g2,a2,o2,o1) (g2).*(a2) + k.*(a1.*cos(o1-o2));
t = @(g1,a1,a2,o2,o1) (a.*g1 + omega1.*tp + k.*((a2./a1).*sin(o2-o1)));
u = @(g2,a1,a2,o2,o1) (a.*g2 + omega1.*tp + k.*((a1./a2).*sin(o1-o2)));
v = @(g1,a1,a2,o2,o1) (a.*(g1-g2) + k.*((a2./a1).*sin(o2-o1)) - k.*((a1./a2).*sin(o1-o2)) + omega1-omega2);
for i=1:(length(t)-1)
k1=p(a1(i),g1(i));
l1=q(a2(i),g2(i))
m1=r(g1(i),a1(i),o2(i),o1(i));
n1=s(g2(i),a2(i),o2(i),o1(i));
p1=t(g1(i),a1(i),a2(i),o2(i),o1(i));
q1=u(g2(i),a1(i),a2(i),o2(i),o1(i));
r1=v(g1(i),a1(i),a2(i),o2(i),o1(i));
k2=p((a1(i)+(h/2)*k1),(g1(i)+(h/2)*k1));
l2=q((a2(i)+(h/2)*l1),(g2(i)+(h/2)*l1));
m2=r((g1(i)+(h/2)*k1),(a1(i)+(h/2)*k1),(o2(i)+(h/2)*n1),(o1(i)+(h/2)*m1));
n2=s((g2(i)+(h/2)*l1),(a2(i)+(h/2)*l1),(o2(i)+(h/2)*n1),(o1(i)+(h/2)*m1));
p2=t((g1(i)+(h/2)*k1),(a1(i)+(h/2)*k1),(a2(i)+(h/2)*l1),(o2(i)+(h/2)*n1),(o1(i)+(h/2)*m1));
q2=u((g2(i)+(h/2)*l1),(a2(i)+(h/2)*l1),(a1(i)+(h/2)*k1),(o2(i)+(h/2)*n1),(o1(i)+(h/2)*m1));
r2=v((g1(i)+(h/2)*l1),(a1(i)+(h/2)*k1),(a2(i)+(h/2)*l1),(o2(i)+(h/2)*n1),(o1(i)+(h/2)*m1));
k3=p((a1(i)+(h/2)*k2),(g1(i)+(h/2)*k2));
l3=q((a2(i)+(h/2)*l2),(g2(i)+(h/2)*l2));
m3=r((g1(i)+(h/2)*k2),(a1(i)+(h/2)*k2),(o2(i)+(h/2)*n2),(o1(i)+(h/2)*m2));
n3=s((g2(i)+(h/2)*l2),(a2(i)+(h/2)*l2),(o2(i)+(h/2)*n2),(o1(i)+(h/2)*m2));
p3=t((g1(i)+(h/2)*k2),(a1(i)+(h/2)*k2),(a2(i)+(h/2)*l2),(o2(i)+(h/2)*n2),(o1(i)+(h/2)*m2));
q3=u((g2(i)+(h/2)*l2),(a2(i)+(h/2)*l2),(a1(i)+(h/2)*k2),(o2(i)+(h/2)*n2),(o1(i)+(h/2)*m2));
r3=v((g1(i)+(h/2)*l2),(a1(i)+(h/2)*k2),(a2(i)+(h/2)*l2),(o2(i)+(h/2)*n2),(o1(i)+(h/2)*m2));
k4=p((a1(i)+(h)*k3),(g1(i)+(h)*k3));
l4=q((a2(i)+(h)*l3),(g2(i)+(h)*l3));
m4=r((g1(i)+(h)*k3),(a1(i)+(h)*k3),(o2(i)+(h)*n3),(o1(i)+(h)*m3));
n4=s((g2(i)+(h)*l3),(a2(i)+(h)*l3),(o2(i)+(h)*n3),(o1(i)+(h)*m3));
p4=t((g1(i)+(h)*k3),(a1(i)+(h)*k3),(a2(i)+(h)*l3),(o2(i)+(h)*n3),(o1(i)+(h)*m3));
q4=u((g2(i)+(h)*l3),(a2(i)+(h)*l3),(a1(i)+(h)*k3),(o2(i)+(h)*n3),(o1(i)+(h)*m3));
r4=v((g1(i)+(h)*l3),(a1(i)+(h)*k3),(a2(i)+(h)*l3),(o2(i)+(h)*n3),(o1(i)+(h)*m3));
a1(i+1) = a1(i) + h*(k1+2*k2+2*k3+k4)/6;
a2(i+1) = g1(i) + h*(l1+2*l2+2*l3+l4)/6;
g1(i+1) = g1(i) + h*(m1+2*m2+2*m3+m4)/6;
g2(i+1) = a2(i) + h*(n1+2*n2+2*n3+n4)/6;
o1(i+1) = o1(i) + h*(p1+2*p2+2*p3+p4)/6;
o2(i+1) = o2(i) + h*(q1+2*q2+2*q3+q4)/6;
s1(i+1) = s1(i) + h*(r1+2*r2+2*r3+r4)/6;
end
plot(time,a2)

Answers (1)

Torsten
Torsten on 30 Dec 2022
for i=1:(length(time)-1)
instead of
for i=1:(length(t)-1)

Categories

Find more on Programming in Help Center and File Exchange

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!