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Groups > sci.electronics.design > #740073
| From | wmartin <wwm@wwmartin.net> |
|---|---|
| Newsgroups | sci.electronics.design |
| Subject | Re: Raspberry Pi goes to war |
| Date | 2026-02-03 11:18 -0800 |
| Organization | A noiseless patient Spider |
| Message-ID | <10lthmi$1nvf2$1@dont-email.me> (permalink) |
| References | (9 earlier) <10lqqf6$s1gj$1@dont-email.me> <o922okdo1khd51uocipmiavu8nnqkej0cm@4ax.com> <10lt7eq$1kbuf$1@dont-email.me> <kv94ok94jfqi42kdjis9ae7cj5gv82gq44@4ax.com> <10ltcc8$1m6ek$1@dont-email.me> |
On 2/3/26 09:47, Phil Hobbs wrote: > john larkin <jl@glen--canyon.com> wrote: >> On Tue, 3 Feb 2026 16:23:54 -0000 (UTC), Phil Hobbs >> <pcdhSpamMeSenseless@electrooptical.net> wrote: >> >>> john larkin <jl@glen--canyon.com> wrote: >>>> On Mon, 2 Feb 2026 18:29:58 -0000 (UTC), Phil Hobbs >>>> <pcdhSpamMeSenseless@electrooptical.net> wrote: >>>> >>>>> john larkin <jl@glen--canyon.com> wrote: >>>>>> On Sun, 01 Feb 2026 11:58:27 GMT, Jan Panteltje <alien@comet.invalid> >>>>>> wrote: >>>>>> >>>>>>>> john larkin <jl@glen--canyon.com>wrote: >>>>>>>>> On Thu, 29 Jan 2026 14:09:28 GMT, Jan Panteltje <alien@comet.invalid> >>>>>>>> wrote: >>>>>>>> >>>>>>>>>> john larkin <jl@glen--canyon.com>wrote: >>>>>>>>>> >>>>>>>>>> Approximately 2% of all Russian men aged 20-50 may have been killed or >>>>>>>>>> seriously wounded by Ukrainians, many with smart drones. >>>>>>>>>> >>>>>>>>>> The r/u casuality ratio is over 2:1 and likely increasing. >>>>>>>>>> >>>>>>>>>> https://en.wikipedia.org/wiki/Russian_emigration_during_the_Russo-Ukrainian_war_ >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Why dio so many people sympathize with genocidal thugs? >>>>>>>>> >>>>>>>>> tramp is, among many more bad and evil things, a genocidel thug who >>>>>>>>> killed thousands in Gaza by supplying arms to the religious >>>>>>>>> fanatic YouWitz sect >>>>>>>>> Killed people in Venezuela >>>>>>>>> killed people in boats >>>>>>>>> Killed US people in Minnesota >>>>>>>>> Probably had Epstein killed so he would not talk about his sex >>>>>>>>> >>>>>>>>> He wants to do the same in Iran now, wants to kill Cubans, invade >>>>>>>>> Cuba, steals oil just like double you you bushman did in >>>>>>>>> Iraq >>>>>>>>> What a bunch of crap 'merrica has become >>>>>>>>> World may unload its radioactive waste on those divided states any >>>>>>>>> time now, the doomsday clock is making noises. >>>>>>>>> tramp ape has no respect for anything but maybe a gun on - or a bullet >>>>>>>>> through the empty bubble mounted above his shoulders. >>>>>>>>> >>>>>>>>> ego maniac nutcase he is. >>>>>>>>> >>>>>>>>> And the more stupid the 'leader' the more the simple minded follow >>>>>>>>> him: Youws and 'Adam did it with Eve' reciters. >>>>>>>> >>>>>>>> The best thing Cuba could do for its people is start a war with the US >>>>>>>> and lose. Of course, the communist party is dumb, but not that dumb. >>>>>>>> >>>>>>>> >>>>>>>> John Larkin >>>>>>>> Highland Tech Glen Canyon Design Center >>>>>>>> Lunatic Fringe Electronics >>>>>>> >>>>>>> YOU DO NOT HAVE TO CONFIRM YOU ARE BRAINDEAD >>>>>> >>>>>> Has your keyboard died? Caps lock stuck? Or still using a Teletype? >>>>>> >>>>> >>>>>> >>>>> >>>>> I mean, it worked for Grand Fenwick. >>>>> >>>>> Cheers >>>>> >>>>> Phil Hobbs >>>> >>>> You youngsters can't remember the joy of getting a high speed paper >>>> tape reader. >>>> >>>> >>>> John Larkin >>>> Highland Tech Glen Canyon Design Center >>>> Lunatic Fringe Electronics >>>> >>> >>> Well, I did use one, writing a program for an original Data General Nova >>> for an undergrad physics lab, circa 1978 >> >> What language? >> > Fortran, iirc. To save machine time, Wolf Breuer The Lab Guy set it up to > run split core, so that we could run two or maybe four people’s programs at > once, and I expect that having multiple copies of the Basic interpreter > probably wouldn’t fit in RAM. >> >> None of the minicomputer companies survived. > > Well, DEC became part of Compaq, and then the Fiorina HP, which if you call > that survival. > Uh-oh, now you've done it. Mentioned the "unmentionable"! Well, I can't complain too loudly, I survived the era. >> >> I had a PDP-8 (4K words of 12-bit core memory) that ran Focal, an >> intrepretive language. I used it to simulate the throttle control and >> propulsion system, including hull dynamics, of the 32,000 horsepower >> LASH ships. I plotted the step responses on the Teletype. We showed it >> to the owners and got the job. >> >> Other engineers said that I couldn't use simple rectangular >> integration, that I had to use some runga-kuta math or something. But >> the elements of the control system were mostly unilateral, and simple >> integration will even work in a circuit if the steps are small. > > SPICE uses trapezoidal, which is the same order as rectangular. > > But the advice wasn’t altogether stupid. The usual fourth-order Runge-Kutta > algorithm has faster convergence on smooth solutions, is pretty simple to > code, and is self-starting like rectangular. > > Its main warts are that it’s slower than predictor-corrector or > Bulirsch-Stoer, and that it supplies no internal error estimate. Sixth and > higher orders do supply that, but I’ve never coded them. > > Cheers > > Phil Hobbs >
Back to sci.electronics.design | Previous | Next — Previous in thread | Next in thread | Find similar
Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 10:43 -0800
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 15:22 -0500
Re: Raspberry Pi goes to war wmartin <wwm@wwmartin.net> - 2026-01-27 12:27 -0800
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 13:46 -0800
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 17:19 -0500
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 14:45 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-29 02:54 +1100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-28 08:13 -0800
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 14:21 -0500
Re: Raspberry Pi goes to war Joe Gwinn <joegwinn@comcast.net> - 2026-01-28 16:02 -0500
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-29 13:41 +1100
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 22:59 -0500
Re: Raspberry Pi goes to war Joe Gwinn <joegwinn@comcast.net> - 2026-01-29 17:46 -0500
Re: Raspberry Pi goes to war Coileán Pól Nioclás de Ghlostéir <thanks-to@Taf.com> - 2026-01-29 14:41 +0100
Re: Raspberry Pi goes to war Lasse Langwadt <llc@fonz.dk> - 2026-01-29 19:03 +0100
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 15:25 +1100
Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-30 10:15 +0000
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-30 04:03 -0700
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 00:12 +1100
Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-30 13:25 +0000
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-30 07:03 -0700
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 16:35 +1100
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 00:09 +1100
Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-30 13:43 +0000
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 02:34 +1100
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-29 13:25 +1100
Re: Raspberry Pi goes to war albert@spenarnc.xs4all.nl - 2026-01-29 12:18 +0100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 05:00 -0800
Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-01-29 14:09 +0000
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 08:53 -0800
Re: Raspberry Pi goes to war Gerhard Hoffmann <dk4xp@arcor.de> - 2026-01-29 20:25 +0100
Re: Raspberry Pi goes to war Joe Gwinn <joegwinn@comcast.net> - 2026-01-29 18:18 -0500
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 16:53 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 15:49 +1100
Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-01 11:58 +0000
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-02 09:48 -0800
Re: Raspberry Pi goes to war Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-02-02 18:29 +0000
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-02 12:33 -0800
Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-03 05:50 +0000
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-03 07:56 -0800
Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-04 05:44 +0000
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-04 03:24 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-05 01:35 +1100
Re: Raspberry Pi goes to war Gerhard Hoffmann <dk4xp@arcor.de> - 2026-02-04 21:31 +0100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-04 13:21 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-05 16:50 +1100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-05 11:36 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-06 18:30 +1100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-06 03:41 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-07 01:12 +1100
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-05 16:46 +1100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-05 11:37 -0800
Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-06 06:18 +0000
Re: Raspberry Pi goes to war Jeroen Belleman <jeroen@nospam.please> - 2026-02-06 09:51 +0100
Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-06 12:30 +0000
Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-02-05 09:14 +0000
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-02-05 04:39 -0700
Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-02-05 14:30 +0000
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-02-05 08:36 -0700
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-06 02:07 +1100
Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-04 15:53 +0000
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-05 01:04 +1100
Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-04 15:58 +0000
Re: Raspberry Pi goes to war Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-02-03 16:23 +0000
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-03 09:03 -0800
Re: Raspberry Pi goes to war Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-02-03 17:47 +0000
Re: Raspberry Pi goes to war wmartin <wwm@wwmartin.net> - 2026-02-03 11:18 -0800
Re: Raspberry Pi goes to war Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2026-02-04 01:21 +0000
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-03 18:52 -0800
Re: Raspberry Pi goes to war Joe Gwinn <joegwinn@comcast.net> - 2026-02-03 13:40 -0500
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-02-03 23:38 +1100
Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-02-03 05:41 +0000
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-02-03 10:46 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 03:08 +1100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 08:56 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 15:56 +1100
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 03:04 +1100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 08:59 -0800
Re: Raspberry Pi goes to war Gerhard Hoffmann <dk4xp@arcor.de> - 2026-01-29 20:50 +0100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 19:22 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 16:00 +1100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 15:43 -0800
Re: Raspberry Pi goes to war Lasse Langwadt <llc@fonz.dk> - 2026-01-28 17:42 +0100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 13:47 -0800
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 17:31 -0500
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 14:42 -0800
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 17:55 -0500
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-27 15:03 -0800
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 19:04 -0500
Re: Raspberry Pi goes to war albert@spenarnc.xs4all.nl - 2026-01-29 12:24 +0100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-29 10:43 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-30 16:07 +1100
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-30 11:45 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 16:51 +1100
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-29 23:03 -0700
Re: Raspberry Pi goes to war Gerhard Hoffmann <dk4xp@arcor.de> - 2026-01-28 00:18 +0100
Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-28 11:57 +0000
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-28 08:19 -0800
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 15:18 -0500
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-28 13:12 -0800
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 16:54 -0500
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 15:13 -0500
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-27 15:32 -0700
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 17:44 -0500
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-27 15:55 -0700
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-27 19:13 -0500
Re: Raspberry Pi goes to war Joe Gwinn <joegwinn@comcast.net> - 2026-01-27 19:53 -0500
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-27 20:30 -0700
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-29 01:56 +1100
Re: Raspberry Pi goes to war albert@spenarnc.xs4all.nl - 2026-01-29 12:29 +0100
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-29 23:09 -0700
Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-30 13:25 +0000
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-30 07:07 -0700
Re: Raspberry Pi goes to war john larkin <jl@glen--canyon.com> - 2026-01-30 11:49 -0800
Re: Raspberry Pi goes to war Bill Sloman <bill.sloman@ieee.org> - 2026-01-31 02:40 +1100
Re: Raspberry Pi goes to war wmartin <wwm@wwmartin.net> - 2026-01-30 11:23 -0800
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-31 01:17 -0700
Re: Raspberry Pi goes to war wmartin <wwm@wwmartin.net> - 2026-01-31 12:19 -0800
Re: Raspberry Pi goes to war Don Y <blockedofcourse@foo.invalid> - 2026-01-31 18:36 -0700
Re: Raspberry Pi goes to war liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-01-30 13:25 +0000
Re: Raspberry Pi goes to war Lasse Langwadt <llc@fonz.dk> - 2026-01-28 17:38 +0100
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 17:19 -0500
Re: Raspberry Pi goes to war bitrex <user@example.net> - 2026-01-28 17:36 -0500
Re: Raspberry Pi goes to war Jan Panteltje <alien@comet.invalid> - 2026-01-28 06:26 +0000
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