[math-fun] ~s harmonic sum?
18 Jan
2005
18 Jan
'05
11:11 p.m.
What is the conventional name for 1/(1/x+1/y)? (Twice the harmonic mean.) A few dubious websites call this "harmonic sum", but most waste that term on harmonic numbers. --rwg disharmony <-> hydramnios
19 Jan
19 Jan
1 p.m.
New subject: [math-fun] harmonic sum?
I blurted
What is the conventional name for 1/(1/x+1/y)? (Twice the harmonic mean.) Oops, that's half the harmonic mean.
D Kephart to JPropp
As you might guess, I'm not just thinking this up [...] papers by Lila Kari, et al, Natasha, Kalpana Mahalingam, and myself.
I'd've guessed he *was* thinking this up! As Paul Harvey always said, it's not one world. --rwg hesperinos <-> shore snipe <-> horse penis agnolotti <-> giant tool
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R. William Gosper