Re: [math-fun] Re: F^-1(G(F(x)))

* Mark D. Niemiec <mniemiec@interserv.com> [Feb 21. 2008 14:56]:

[...]

for example: x +&.*: y NB. Euclidean distance (*: is square) x +&.% y NB. Electrical resistance in parallel (% is reciprocal) x -:@+ y NB. Arithmetic mean (-: is halve; F@G(x,y) = F(G(x,y)) ) x -:@+&.% y NB. Harmonic mean

That gives my /etc/sendmail.cf a whole new meaning!