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RE: capacitance of horned toroid
Original poster: Yurtle Turtle <yurtle_t-at-yahoo-dot-com>
I don't know MathCad, but -1^2 = -1 x -1 = 1.
Sorry.
Adam
--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "David Thomson" <dave-at-volantis-dot-org>
>
>
> Hi Matt,
>
> > It is curious that you use "(-1)^(n+1)", which
> will always be equal to -1.
> > Why is that?
> >
> > Uhhhh,
> > When I was in school, (-1)^(n+1) was negative
> only when n is even. ;-)
> > Matt D.
>
> After you posted that, I see your logic (except that
> n would be odd, not
> even, since it is being increased by 1). But I used
> MathCAD 2000 Pro to do
> the calculations. It doesn't matter if the exponent
> is positive or negative
> the result is still -1 when written as an exponent.
> But when I type
> in -1*-1 the answer comes out to +1. I could send
> you a gif file to show
> you if you are interested. Perhaps MathCAD has a
> bug?
>
> Dave
>
>