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Re: TCO with named-let via macros

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Richard Smith <null@void.com> writes:

> Thanks Axel
> Regarding the second approach;
> I have read
> * Paul Graham's "On Lisp"
> * Siebel's "Practical Common Lisp"
> so have seen things like "gensym" and why has to be so.
>
> Reality is, with very not-advanced lisp basics I seem to do well.

yeah me too :)

>
> In my world of melting and shaping metal, there seems to be something
> good about the working environment of equations and explanations in one
> document.  It seems to facilitate a person developing their thoughts.

I so agree! I thread and weld pipe for fire suppression systems. we use
hydraulic calculations; if you can do this you are golden...

>
> This seems to be the biggest issue - what the environment makes readily
> and enjoyably achievable.
>
> In recent years
>
> * every beam calculation I want to do
>   (Euler-Bernoulli beam - derived 1750's; applied eg. Eiffel 1880's-ish)
>   which I do use frequently in my welding and engineering work
>


> * a 1-D computer-numerical solution for heat-flow which proves a useful
>   "nutcracker" for considering what's going on where the issue is
>   conductive heat transfer


Oh yeah! another heat transfer variable :)
>
> * in mineral processing (considering processing metal ores - tin,
>   copper, etc) I can run through calculations actually feeling very
>   happy
>
> Mineral processing was last new application, a couple of months ago.
> I'm surrounded by abandoned mines here - some of the iconic images of
> Cornwall.  With for me the crucial thing being that tin-mining is
> restarting here.  There's also lithium here - efforts to work that.
> None of these metals "self-extract" from the "run-of-mine" ore.
> Hence mineral processing as an expertise.
>
> Thing is, those happily-done calculations enabled me to see the
> twists-and-turns the author, with decades of experience of mineral
> processing, could throw at you to get you to think through the issue.
> Layers deeper than the text alone could take you.



> I had to visualise the minerals and mineral streams, then draw sketches
> which were my "model",


my boss still uses graphing paper and HGC3 (hydrolic calculator v3).

> then derive the maths (concurred with the
> author's equations) - then write the elisp functions and get the
> answers.

> No immediate jobs so having to get back to welding - but could return to
> remind of the logical path which worked for me, in those files, whenever.
>
> These were all "trivial" algebraic expressions, in computing terms.
>
> I appreciate you showing me
> where I could take my computing
> if that juncture came.
>
> Regards,
> Rich Smith



Thank you!

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Thread

thanks - calculate pi fn. in elisp Richard Smith <null@void.com> - 2024-07-09 19:48 +0100
  TCO with named-let via macros (was: thanks - calculate pi fn. in elisp) Axel Reichert <mail@axel-reichert.de> - 2024-07-09 23:15 +0200
    Re: TCO with named-let via macros Richard Smith <null@void.com> - 2024-07-10 06:28 +0100
      Re: TCO with named-let via macros steve g <sgonedes1977@gmail.com> - 2024-08-10 15:56 -0400
        Re: TCO with named-let via macros Richard Smith <null@void.com> - 2024-08-10 22:28 +0100
    Re: TCO with named-let via macros Richard Smith <null@void.com> - 2024-07-10 06:36 +0100
      Re: TCO with named-let via macros steve g <sgonedes1977@gmail.com> - 2024-08-10 16:22 -0400
        Re: TCO with named-let via macros Axel Reichert <mail@axel-reichert.de> - 2024-08-10 23:15 +0200
          Re: TCO with named-let via macros steve g <sgonedes1977@gmail.com> - 2024-08-11 14:56 -0400
          Re: TCO with named-let via macros Richard Smith <null@void.com> - 2025-04-08 10:26 +0100
    Re: TCO with named-let via macros Richard Smith <null@void.com> - 2024-07-10 06:59 +0100
    Re: TCO with named-let via macros Richard Smith <null@void.com> - 2024-07-10 09:18 +0100
      Re: TCO with named-let via macros steve g <sgonedes1977@gmail.com> - 2024-08-10 16:26 -0400
        Re: TCO with named-let via macros Richard Smith <null@void.com> - 2024-08-10 22:51 +0100

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