ex9_10.m

Programs for the book Advanced Engineering Mathematics using MATLAB, 2ndEd.

% EX9_10.M Plot the impulse and step response for the equation
%  D2y + 3*Dy + 2*y = f(t)
%
t=[0:.01:10];
ydelta = exp(-t)-exp(-2*t);
ystep = .5 - exp(-t) + 0.5*exp(-2*t);
plot(t,ydelta,t,ystep,'--')
xlabel('t')
ylabel('Response')
legend('Impulse response', 'Step response')
title('Differential equation solutions')