general links
http://www.numerical-recipes.com/recipe-list.html -- NR method names descriptions
specific functions
powell.c
- powell's direction set method, or powell minimizer
linmin.c
- line minimization
ludcmp.c
- LU decomposition
lubksb.c
- LU back substitution
brent.c
- brent's method for min of function
mbrak.c
- bracket the minimum of a function
svdcmp.c
- singular value decomposition of a matrix
ran1.c
- random deviate, minimal standard plus shuffle
tred2.c
- householder reduction of a real, symmetric matrix
tqli.c
- eigensolution of a symmetric tridiagonal matrix
splint.c
- cubic spline interpolation [3.3]
spline.c
- construct a cubic spline [3.3]
pythag.c
calculate (a2+b2)^{1/2} without overflow [2.6]
dfpmin.c
- minimize in N-dimensions by variable metric method
lnsrch.c
- search along a line, used by newt