Way off Topic: Re: Time for a new FAQ? [ plus a tiny fraction of my ascii collection... ;) ]
From Moshe Zadka <mos...@ladybug.org.il>
· alt.ascii-art
· 8 Nov 1997 00:00 · View full thread
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> Ooooh, Calculus... I think I'll stick my nose in here and spew some > useless fact that likely nobody really cares about. > > Technically it is true that the slope of a vertical line is undefined, > most math geeks say it has an infinite slope because... > > The formula for slope is Rise ( y / x ) > ------ > Run > > So as x approaches 0, the slope gets larger and larger and larger, pretty > much going off to infinity... So while it is true that the slope of a > vertical line is undefined, the term "infinite slope" is used just to be > more specific... > > I hope y'all were paying attention, there's going to be a quiz later... > Well, the *right* way to define slope is as belonging to the set of all pairs (x,y), under the equivalence relation (x,y)~(x1,y1) iff x*y1=x1*y. So the slope of the vertical line is [(0,1)] (That is, the equivalence relation of the pair (0,1).). Sorry for going off topic, just my 0.02$ worth. -- Moshe Zadka - moshez(at)math(dot)huji(dot)ac(dot)il Linux - The Choice of a GNU generation. Using 2.1.60. C - A portable assembly language.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: f996b,b217f9de36ff9682 X-Google-Attributes: gidf996b,public From: Moshe Zadka <mos...@ladybug.org.il> Subject: Way off Topic: Re: Time for a new FAQ? [ plus a tiny fraction of my ascii collection... ;) ] Date: 1997/11/08 Message-ID: <Pin...@ladybug.org.il>#1/1 X-Deja-AN: 287937952 References: <345...@spamfree.land> <345...@on.spammer> <345...@slip.net> <345...@slip.net> <63mf1k$n9...@ds2.acs.ucalgary.ca> Organization: The hebrew University of Jerusalem X-Files: Truth Out There Newsgroups: alt.ascii-art
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