MATLAB: How i can use x(t) & … in the program

plot with anglex(t)-

i use this code but matlab show me an eror how i can fix this eror
also i want plot (>) with angle fee how i can do that ?
clear all
      t=0;
      x(t)=input('Enter X(0) =');
      y(t)=input('Enter Y(0) =');
      fee(t)=input('Enter Fee(0) =');
      for (x(t+1)~=10)&&(fee(t+1)~=90)
      t=t+1;
            plot(x(t),y(t),'>');
          x(t+1)=x(t)+cos(fee(t)+teta(t))+sin(teta(t))*sin(fee(t));
          y(t+1)=y(t)+sin(fee(t)+teta(t))-sin(teta(t))*cos(fee(t));
          fee(t+1)=fee(t)-asin((2*sin(teta(t)))/4);
        end

Best Answer

MATLAB does not permit the value 0 to be used as a vector index. Vector indexes must be integers 1 or greater.
Requesting '>' as the plot marker gets you a right-pointing triangle. If you want an open arrow instead, then you will need to draw in the markers yourself at each location.
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