Math 2280-2
Example 5.6.2 (three tanks cascade with salty water coming in)
with(LinearAlgebra):
A := Matrix(3,3,[-1/2,0,0, 1/2, -1/4, 0, 0, 1/4, -1/5]);
xp := t -> Vector([40,80,100]);
Phi := t -> MatrixExponential(A*t);
Phi(t);
c:= -MatrixInverse(Phi(0)) . xp(0);
x := t-> Phi(t) . c + xp(t);
x(t);
plot(x(t),t=0..60,color=black);
TTdSMApJM1JUQUJMRV9TQVZFLzkxNjc5MlgsJSlhbnl0aGluZ0c2IjYiW2dsISIlISEhIyoiJCIkIyEiIiIiIyMiIiJGKSIiIUYsI0YoIiIlI0YrRi5GLEYsI0YoIiImNiI=TTdSMApJNFJUQUJMRV9TQVZFLzIzMDIxNDBYLCUpYW55dGhpbmdHNiI2IltnbCEiJSEhISMqIiQiJC0lJGV4cEc2IywkJSJ0RyMhIiIiIiMsJi1GKDYjLCRGKyNGLSIiJUYuRichIiMsKC1GKDYjLCRGKyNGLSIiJiMiI0QiIiRGMCEjNUYnI0Y7Rj4iIiFGMCwmRjAhIiZGN0Y7RkFGQUY3NiI=TTdSMApJNFJUQUJMRV9TQVZFLzEwMDI1MTJYKiUpYW55dGhpbmdHNiI2IltnbCEjJSEhISIkIiQhI1MhIyEpISQrIjYiTTdSMApJNFJUQUJMRV9TQVZFLzEwMjI1NzZYKiUpYW55dGhpbmdHNiI2IltnbCEjJSEhISIkIiQsJi0lJGV4cEc2IywkJSJ0RyMhIiIiIiMhI1MiI1MiIiIsKC1GKTYjLCRGLCNGLiIiJSEkZyJGKCIjISlGOkYyLCotRik2IywkRiwjRi4iIiYjISUrRCIiJEY0IiQrKUYoIyEkKyNGQyIkKyJGMjYi