4-18-06 was for passover 2006: covered shooting method, when to use which numerical method, and stiff diff eqs.
4-12-06 was shevi'i shel pesach 2006: covered adams, adams-moulton, milne, soln of difference eqs., why milne unstable
5-26-04 was shavuot 2004: covered matrix theory, Gaus Elimnation, back substitution, pivoting strategy, PLU decomposition
6-13-05 was shavuot 2005: covered chebyshev pts, interpolation, osculation, inclusion of deriv info in div. diff. table and polynom, which interp method to use, 
			  spline methods, cubic spline and different BCs