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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: Historical question: negative feedback and the op amp
References: <email@example.com> <3DD3A787.499E9DDB@webaccess.net> <3DD44F98.316C63CD@webaccess.net>
Date: Fri, 15 Nov 2002 22:33:43 GMT
NNTP-Posting-Date: Fri, 15 Nov 2002 14:33:43 PST
> Too bad you weren't here for the Calculus thread a few months ago...
> Some engineers use calculus (or other math) as a tool, and others don't. The
> really dangerous engineers, it seems to me, are those that can see no value
> in math.
It depends on what you are doing whether you use much mathematics or
not. I did all of the power electronics for my current project with
nothing worse than algebra.
I actually taught calculus at UCCS. I only ever taught second semester
calculus and they changed the textbook every time I did so I was always
having to do lecture notes from scratch. I try to be spontaneous so I
can get notes for 3 lectures on one side of an 8.5X11 sheet of paper
(about like A4 I think).
In control I'm usually doing linear algebra and fiddling with
polynomials. Frankly, I never get into anything you might call heavy
except when I am tracking a problem down. For example, I once did a
detailed analysis of head position servo settling problems in hard disk
drives due to shock mounts and I once did pretty detailed work to
discover the consequences of one in a hundred sample intervals being
shorter than the rest also in disk drive head position servos. Both of
those were prompted by problems developement teams were having.
What you need in mathematics depends entirely on what you are doing.
... The times have been,
That, when the brains were out,
the man would die. ... Macbeth
Chuck Simmons firstname.lastname@example.org
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