Invalid expression when i click run
1 次查看(过去 30 天)
显示 更早的评论
I havent had to use matlab before. When i type out the code I was given it won't run because of an invalid expression. i can't figure out my mistep
close all
clear all
t=0;
theta0=pi()/3;
L=.5;
lam=6;
for n=1:161
t(n+1) =t(n)+.02;
theta(n)=theta0*sin(lam*t(n));
omega(n)=lam*theta0*cos(lam*t(n));
alpha(n)=-lam^2*theta(n);
xA(n)=t(n);
yA(n)=t(n)^(3)/18;
xB(n)=xA(n)+L*sin(theta(n));
yB(n)=yA(n)-L*cos(theta(n));
uA(n)=1;
vA(n)=t(n)^(2)/6;
uB(n)=uA(n)+L*omega(n)*cos(theta(n));
vB(n)=vA(n)+L*omega(n)*sin(theta(n));
axA(n)=0;
ayA(n)=t(n)/3;
axB(n)=L*alpha(n)*cos(theta(n))-L*omega(n)^2*sin(theta(n));
ayB(n)=ayA(n)+L*alpha(n)*sin(theta(n))+L*omega(n)^2*cos(theta(n));
end;
for n=1:161
line([xA(n) xB(n)]),[yA(n) yB(n)]);
end
0 个评论
采纳的回答
madhan ravi
2018-11-3
编辑:Stephen23
2018-11-3
t=0;
theta0=pi/3; %error was NOT here
L=.5;
lam=6;
for n=1:161
t(n+1) =t(n)+.02; theta(n)=theta0*sin(lam*t(n));
omega(n)=lam*theta0*cos(lam*t(n)); alpha(n)=-lam^2*theta(n);
xA(n)=t(n);
yA(n)=t(n)^(3)/18;
xB(n)=xA(n)+L*sin(theta(n));
yB(n)=yA(n)-L*cos(theta(n));
uA(n)=1;
vA(n)=t(n)^(2)/6;
uB(n)=uA(n)+L*omega(n)*cos(theta(n));
vB(n)=vA(n)+L*omega(n)*sin(theta(n));
axA(n)=0;
ayA(n)=t(n)/3;
axB(n)=L*alpha(n)*cos(theta(n))-L*omega(n)^2*sin(theta(n));
ayB(n)=ayA(n)+L*alpha(n)*sin(theta(n))+L*omega(n)^2*cos(theta(n));
end;
line(xA, xB,'r') %error was here
hold on
line(yA,yB','g') %error was here
5 个评论
madhan ravi
2018-11-3
Ah thank you sir Walter didn’t notice it because the question was edited at the beginning until you did
更多回答(0 个)
另请参阅
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!