MATLAB: How can i make the code interactive

helpinteractivetotal force

I want to let people choose Forces and Angles then it will give them the answer of a total force.

For my first section i am already given 3 angles and 3 forces where i find the total force and result angle.

I started to use 'Force1= input('Enter force');

for all forces and angles then put end at the end of that but when i run it it just keeps going on. Then i put the equations underneath that for the total force and result angle but it doesnt run.

Best Answer

You aren't checking if the values are valid. That means you're never changing the value of valid, which results in an endless loop.

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You need to make time as vector. Then you can plot the trajectory, if i understand it right.

See the code below, it plots xe vs ye according to your prog

launch_angle= input('Enter launch angle in degrees : ');
xo = input('Enter initial x position in meters: ');
xt = input('Enter target x position in meters: ');
yt = input('Enter target y position in meters: ');
tt = input('Enter target hitting time in seconds: '); % total time to hit target in s
te = input('Enter end time in seconds: '); % end time at which target is destroyed
g=9.8;
te = tt:-0.1:te;   % calculate the time vector
% Calculate Vo
vo = (xt-xo)/(tt*(cos(launch_angle * (pi/180))))
 
%% Display the result

disp(['Initial Velocity in metres per second is: ', num2str(vo)]);
%% Calculate yo
yo = yt - (tt*vo*(sin(launch_angle * (pi/180))))+(0.5*g*tt^2)
%% Display the result
disp(['Initial y positon in metres is: ', num2str(yo)]);
 
%% Equations to plot End pt
 
xe = xo + (te*vo*cos(launch_angle * (pi/180)))
ye = yo + (te*vo*(sin(launch_angle * (pi/180))))-(0.5*g*te.^2)
 
%% Plot end point
 
figure
plot(xe',ye','-r');

Best Answer

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