projectile.m

function h = projectile(v_mag,theta); 
%independant variables are inserted into the function, magnitude of the velocity and the angle of launch.
  angle_in_radians=theta*(pi/180); %converts degrees to radians.
  X_0=2.37; %Define given x distance in meters
  Y_0=1.72; %Define y(0) height in meters
  g=9.81; %Define force of gravity, m/s^2
  t=X_0/(v_mag*cos(angle_in_radians)); %time value solved in seconds
  h=Y_0+v_mag*sin(angle_in_radians)*t-(1/2)*g*t^2; %final height, in meters
  fprintf('the final height of your projectile is %f\n',h) %display of output info in coherent sentence.

  time_interval=0:0.01:t; %Define time interval in vector form (seconds)
  x_interval=v_mag*cos(angle_in_radians)*time_interval; %Define x distance interval in vector form (meters)
  y_interval=Y_0+4*sin(angle_in_radians)*time_interval-(1/2)*g*time_interval.^2; %Define y distance interval in vector form (meters)
  setdefaults %Setting the defaults
end