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Groups > sci.physics > #568205
| From | Poutnik <poutnik4nntp@gmail.com> |
|---|---|
| Newsgroups | sci.physics |
| Subject | Re: Why Math Rocks |
| Date | 2016-04-06 07:50 +0200 |
| Organization | Good company |
| Message-ID | <ne27sf$arr$1@dont-email.me> (permalink) |
| References | (10 earlier) <ndu7g2$o3r$1@dont-email.me> <ndvueb02u5t@news4.newsguy.com> <ne0mil$9gc$1@gioia.aioe.org> <ne1bcb$qjb$1@dont-email.me> <ne1e2d$1oit$1@gioia.aioe.org> |
Dne 06/04/2016 v 00:25 Sergio napsal(a): > On 4/5/2016 4:43 PM, Poutnik wrote: >> Dne 05/04/2016 v 17:44 Sergio napsal(a): >> >>> >>> one area is encryption, another area is statistics, ... >> >> Why do you think mat is weak in these areas ? >> > > one example; > > in encryption, there are good math techniques that generate excellent > codes, but the understanding of how to detect errors that occur to the > encrypted part is usally varies from good to poor, to unknown. > Calculation of the Probability of Undetected Error, PUE. The encryption > generation uses solid known math, but one cannot tell from that math if > it can detect errors very well. A few codes are fully known, most are > unknown. The military has some codes run on special chips (by > contractors) to find out by exaustive search this factor. > > the encryption code generators are like a few good known threads in > thousands of possabilities. but the math is not there yet to show the > other possabilities are good. > > > Statistics, - good book => the Black Swan where it was argued wallstreet > was misusing the binomial distribution (book came out before the 2008 > crash). (wall street was and still is) > > in general, I think math applications has a hard time with > multi-dimentional problems (or larger than 5 variables) > > > take a fastest route + minimize gasoline for Uber, over a 2 dimentional > city, with streets and pickup times, and drop off time locations. > for 1 car, 10 pickups(trips) during the day how does the computer > determine the solution. > for 271 cars, 4821 pickups, etc... > > this "bleeding edge" of math is what is being published in the > professional journals today. like going from the known, (math works > fine) into the unknown (math starts to degenerate, solution sets vague...) That all may be a question of point of view. Is math weak or is the problem difficult ? Math is not a magic wand to say its magic is weak if it cannot do this or that. -- Poutnik ( The Pilgrim, Der Wanderer ) Knowledge makes great men humble, but small men arrogant.
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Why Math Rocks Sam Wormley <swormley1@gmail.com> - 2016-04-01 19:01 -0500
Re: Why Math Rocks jimp@specsol.spam.sux.com - 2016-04-02 01:22 +0000
Re: Why Math Rocks Fabian Russell <fb@zen.info> - 2016-04-02 06:14 +0000
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-02 08:23 +0200
Re: Why Math Rocks Fabian Russell <fb@zen.info> - 2016-04-02 12:43 +0000
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-02 15:13 +0200
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-02 15:38 +0200
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-02 15:46 +0200
Re: Why Math Rocks Fabian Russell <fb@zen.info> - 2016-04-02 18:48 +0000
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-02 21:12 +0200
Re: Why Math Rocks Fabian Russell <fb@zen.info> - 2016-04-02 19:28 +0000
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-02 22:27 +0200
Re: Why Math Rocks Fabian Russell <fb@zen.info> - 2016-04-04 10:55 +0000
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-04 19:19 +0200
Re: Why Math Rocks Fabian Russell <fb@zen.info> - 2016-04-05 08:53 +0000
Re: Why Math Rocks Sergio <invalid@invalid.com> - 2016-04-05 10:44 -0500
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-05 23:43 +0200
Re: Why Math Rocks Sergio <invalid@invalid.com> - 2016-04-05 17:25 -0500
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-06 07:50 +0200
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-05 23:16 +0200
Re: Why Math Rocks Odd Bodkin <bodkinodd@gmail.com> - 2016-04-05 17:10 -0500
Re: Why Math Rocks Fabian Russell <fb@zen.info> - 2016-04-10 18:44 +0000
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-10 20:49 +0200
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-10 20:58 +0200
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-02 16:23 +0200
Re: Why Math Rocks Mahipal <mahipal7638@gmail.com> - 2016-04-02 08:02 -0700
Re: Why Math Rocks benj <none@gmail.com> - 2016-04-02 12:26 -0400
Why Math Rocks HVAC <mr.hvac@gmail.com> - 2016-04-02 06:18 -0700
Re: Why Math Rocks benj <none@gmail.com> - 2016-04-02 12:14 -0400
Re: Why Math Rocks Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-04-03 10:33 +0200
Re: Why Math Rocks HVAC <mr.hvac@gmail.com> - 2016-04-03 04:31 -0700
Re: Why Math Rocks Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2016-04-03 14:27 +0200
Re: Why Math Rocks HVAC <mr.hvac@gmail.com> - 2016-04-03 07:29 -0700
Re: Why Math Rocks benj <nobody@gmail.com> - 2016-04-04 00:49 -0400
Re: Why Math Rocks HVAC <mr.hvac@gmail.com> - 2016-04-04 04:46 -0700
Re: Why Math Rocks benj <none@gmail.com> - 2016-04-04 13:50 -0400
Re: Why Math Rocks benj <none@gmail.com> - 2016-04-04 13:46 -0400
Re: Why Math Rocks Sergio <invalid@invalid.com> - 2016-04-02 09:02 -0500
Re: Why Math Rocks Poutnik <poutnik4nntp@gmail.com> - 2016-04-02 16:30 +0200
Re: Why Math Rocks benj <none@gmail.com> - 2016-04-02 12:27 -0400
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