How can I the plot t vs v graph according to code?

Hi There, I worked so much however I face with a little problem. In this code I can easily get all of t values however when I want to t vs graph,I can only get the last value of v in this code.Could you help me about this situation? r=50; L=150;

w=10; t=0; count=0; for i=1:1000

x=10*t; alp=0; x1=-r*sin(t*pi/180)-((r^2*sin(t*pi/180)*cos(t*pi/180))/sqrt(L^2-r^2*sin(t*pi/180)^2)) x2=-r*cos(t*pi/180)-((r^2*(cos(t*pi/180)^2-sin(t*pi/180)^2)/sqrt(L^2-r^2*sin(t*pi/180)^2)))-((r^4*(sin(t*pi/180)^2*cos(t*pi/180)^2)/sqrt(L^2-r^2*sin(t*pi/180)^2)^3)); v=(x1*w) a=x2*w; t=t+1 count=count+1; end time=0:count; plot(time,v(1):v(30))

Answer 1

[Ameer Hamza]

You are facing this problem because you are saving just the last value of v, You need to create a vector v to save all values. For example, try this

w=10; 
t=0; 
count=0; 
r = 1;
L = 1;
v = zeros(1, 1000);

for i=1:1000
  x=10*t; 
  alp=0; 
  x1=-r*sin(t*pi/180)-((r^2*sin(t*pi/180)*cos(t*pi/180))/sqrt(L^2-r^2*sin(t*pi/180)^2));
  x2=-r*cos(t*pi/180)-((r^2*(cos(t*pi/180)^2-sin(t*pi/180)^2)/sqrt(L^2-r^2*sin(t*pi/180)^2)))-((r^4*(sin(t*pi/180)^2*cos(t*pi/180)^2)/sqrt(L^2-r^2*sin(t*pi/180)^2)^3));
  v(i)=(x1*w);
  a=x2*w; 
  t=t+1;
  count=count+1; 
end
time=0:count-1; 
plot(time,v)