Jama needs a vector class

[Jason Liao <jliao@com1.med.usf.edu>]

I used Jama a while ago and converted a simulation program. The converted
program runs two-three times longer than the original one. One reason is
that I have to treat a vector as matrix since Jama does not have a vector
class. This not only slow down computation but also causes some conceptual
difficulty, at least for me. I would strongly hope that a vector class be
added to Jama. The workload is small and I will have to do it myself if no
one else is going to do it. But we also need to modify the Matrix class a
bit so that a matrix can multiply a vector if the dimension agrees.

Jason Liao
University of South Florida