% 5.4; Jordan form, chain algorithm, railway cars
 % 5.5; matrix exponential, Putzer algorithm, fundamental solution
 % 5.6; vector-matrix variation of parameters, 3-tank brine cascade
\begin{alltt}
HW 11, due Week 12
 \BF{5.2}: \bx{8}, 11, 13, \bx{20}, 21, 27, 29, \bx{30}, 31, 35, 39, 43, 45, 49
 \BF{5.3}: \bx{6}, 9, 13, 19, \bx{24}, 27
 \BF{5.4}: 1, 7, \bx{11} , \bx{29}
 \BF{5.5}: 1, 3, \bx{4}, 11, \bx{12},  23,  \bx{38}
\end{alltt}