AW: Harmonix content formula
Ethan Duni
eduni at ucsd.edu
Tue Jun 8 20:45:12 CEST 1999
>(btw.: Jean Babtiste Fourier (?) invented the transform to solve the
>differential equation of heat transfer. He could solve the equation for
>sinoidal temperature distributions and so he could use this solution
>for the superposition of many sine distributions, this superposition
>process is the basis of the Fourier theorem.
-how weird that i've just returned home from an engineering final that
covered Fourier analysis (i think i screwed that problem up, incidentally..
finding the fourier transform of a complicated funciton by hand without a
calculator is a pain in the ass, man).. and here everyone is talking fourier
theory.. but anyway, i think he had yet another name.. ah, yes, i have here
in "Circuits" by A. Bruce Carlson on page 546 that his full name was Jean
Baptiste Joseph Fourier :]
>This was a very new way to think back then, and Fourier was under heavy
>attack of the angry old men from the academy.
-yeah, didn't LaGrange call Fourier Series "lunacy" or "inconceivable" or
somesuch? also, i had the impression that Fourier himself didn't come up
with the transform, only the series stuff, and that later people extended it
into the Fourier transform? anyone?
Ethan
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