function v = plotting (t,g,cd,m);

 

% Wes Donald

% Lab 1, 8/23/05, Tuesday

% Plotting

% To illustrate the use of the program

 

length(t);

 

g=9.81; m=68.1; cd=0.25;

v=sqrt(g*m/cd)*tanh(sqrt(g*cd/m)*t)

plot(t,v)

title('Plot of v versus t')

xlabel('Values of t')

ylabel('Values of v')

grid

 

 

function v = intplot(t,g)

 

% Wes Donald

% Lab 2, 8/30/05, Tuesday

% Plotting

% To illustrate the use of the program

cd = input ('Enter the value of cd:');

m = input ('Enter the value of m:');

 

 

v=sqrt(g*m/cd)*tanh(sqrt(g*cd/m)*t);

plot(t,v)

grid on

hold on

 

title('Plot of v versus t')

xlabel('Values of t')

ylabel('Values of v')

disp('velocity is')

disp(v)

 

 

function fprintfdemo(t,v)

out = [t,v]';

fprintf('t         v  \n');

fprintf('%5d  %10.3f  \n',out);