dotpd: Forms the scalar (dot) product of two vectors (double precision)
Description
See Marazzi A. (1993), p.350Usage
dotpd(x, y, n = nrow(x), incx = 1, incy = 1)
References
Marazzi A. (1993) Algorithm, Routines, and S functions
for Robust Statistics. Wadsworth & Brooks/cole, Pacific Grove,
California. p.350