#1 utilize boost assignement lib

[Gunter Winkler]

Utilise the assignment lib in some way
with ublas to allow (c.f. Blitz) something like

matrix<double> A(3,3);
A = 320.0, 0.0, 320.0,
0.0, 320.0, 240.0,
0.0, 0.0, 1.0; </double>