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From: Chuck Simmons
Organization: You jest.
X-Mailer: Mozilla 4.61 [en] (X11; U; Linux 2.0.33 i586)
Subject: Re: How does a mixer work?
References: <firstname.lastname@example.org> <email@example.com> <3DB88D9C.50F75FA0@webaccess.net> <0f5u9.161$OM6.firstname.lastname@example.org> <3DB93622.BB09A3DB@webaccess.net> <3DB94D04.9D42B3C@webaccess.net>
Date: Fri, 25 Oct 2002 15:41:39 GMT
NNTP-Posting-Date: Fri, 25 Oct 2002 08:41:39 PDT
Kevin Aylward wrote:
> "Chuck Simmons" wrote in message
> > Kevin Aylward wrote:
> > >
> > > Yes, the Fourier transform is well defined, i.e. F(f(t)).
> > > The standard deviation is well defined Sd(x)
> > By standard deviation, do you mean L2 metric distance rather than the
> > usual meaning from probability? If so, is there any particular reason
> > why you could not say that you mean L2 metric distance?
> Its standard practise in signal information theory to call it the
> standard deviation.
> No idea what L2 means. I know what a metric is though:
> ds^2 = dx^2 + dy^2 dz^2 -c^2.dt^2
That is not a metric! It is the pseudometric in relativity. A metric
cannot take on negative values by definition! Look that one up.
... The times have been,
That, when the brains were out,
the man would die. ... Macbeth
Chuck Simmons email@example.com
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