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From: Bill Sloman <bill.sloman@ieee.org>
Newsgroups: sci.electronics.design
Subject: Re: Quantum mystics
Date: Tue, 11 Jun 2024 01:09:51 +1000
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On 11/06/2024 12:14 am, john larkin wrote:
> On Mon, 10 Jun 2024 09:14:19 +0100, liz@poppyrecords.invalid.invalid
> (Liz Tuddenham) wrote:
> 
>> Jeff Layman <Jeff@invalid.invalid> wrote:
>>
>>> ... I was ok with mathematics in school until we started
>>> on calculus. I could not, and still cannot, understand concepts such as
>>> "vanishingly small".
>>
>>
>> Calculus is to arithmetic what astrology is to astronomy.

Rubbish.

> Interesting electronics is nonlinear. 

Also rubbish. Most electronics is non-linear, but the interesting stuff 
does tend to be linear in the regions of interest.


> I recall some college professor mumbling about solving nonlinear differential equations but it wasn't
> encouraging.


Not encouraging enough to get your attention.

> Having some gut-level feeling for integration and differentiation and
> diff equations and initial conditions and control theory is good, but
> Spice can do the actual work.

Perhaps.

> I taught a course once on dynamic systems. The final assignment was to
> write a Basic program to simulate refilling a toilet tank after a
> flush. Surprisingly, everybody got it right.

You kept the course down to a level that you could understand.

-- 
Bill Sloman, Sydney



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