Re: Function naming

From: Darius Blaszijk (dhkblaszyjk_at_zeelandnet.nl)
Date: 11/28/04 

Date: Sun, 28 Nov 2004 22:52:28 +0100

Thank you all for the help. I'm surprised however that I can call this
function group as I described polynomials. I have "some" knowledge of math,
but I was always under the impression that a polynome was defined as a one
variable function, and that these were merely a special case of the
multivariable case. "Probably has to do with my understanding ;-)"

Kind regards, Darius Blaszijk

"Achava Nakhash, the Loving Snake" <achava@hotmail.com> schreef in bericht
news:5bbb5f5d.0411281127.22cb8f91@posting.google.com...
> "Darius Blaszijk" <dhkblaszyjk@zeelandnet.nl> wrote in message
news:<QIadnUX6nvbKcDTcRVnytQ@zeelandnet.nl>...
> > Hello,
> >
> > I'm doing some study on a perticular type of functions (in my spare time
> > just for fun). The problem is however that I don't know how these
functions
> > are called in English. Could someone provide me with the correct english
> > term and point me perhaps to some more info on this topic.
> > The functions are of the form;
> >
> > y = c0 + c1x1 + c2x2 + c3x1x2 + c4x1^2 + c5x2^2
> >
> > This function has two input variables and has an order of two. The
number of
> > variables and order can vary accordingly ofcourse. Is there a general
term
> > for this kind of functions?
> >
> > Kind regards, Darius Blaszijk
>
> Darius,
>
> This is a quadratic (what you call order 2 but in English is
> usually called degree two) polynomial in two variables. If you vary
> the number of variables (inputs) then they are called polynomials in
> several variables. It is impossible to tell your level of
> mathematical education, so it is not clear where to direct you for
> further information.
>
> Regards,
> Achava

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