these thread make me --
at times-- wish for better mathematical facilities--I love to expand and illustrate a little more of some of the very good points in thread like this [as I'm sure others here may desire]
---the biggest problem is pitching it in a reasonable way so those without the appropriate math and physics background could also understand--so it would be useful---perhaps that is the reason we don't have such a facility---and with out a pencil and paper personally I'd make tooo many math errors to be forgiven---In fact I had to stop a little thing I was doing on thermodynamic because I realized it would soon lead [no matter what ] to pure gibberish to the un initiated--and I would just be "preaching to a choir"---as I'm always amused when folks get a simple explanation by folks such as
MFS or Christaan J. ---amongst others--- and still choose to add complexity all I can say is that--whatever you can think of in the subject has been intensively treated in the past--so my advice--KISS--trust me
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I'm not talking about this thread explicitly I mean in general
PA