point particle vs particle with structure
in [Relativity]
|
From: gulaman on 20 Jul 2010 16:42 On Jul 20, 2:29 pm, artful <artful...(a)hotmail.com> wrote: > On Jul 20, 2:36 pm, gulaman <regala...(a)gmail.com> wrote: > > > Some advice > > > 1. Study more elementary physics > > No need > > > to appreciate that the point particle representation is only for > > convenient solving of physics problems where some factors affecting > > the "particle" are not considered. > > That's what I said > > > 2. Study complex analysis and your math > > to know that x/0 is a singularity > > I understand math just fine, thanks. You can get a mathematical > singularity when x=0 in 1/x (for example), that's not the only way, of > course. x/0 isn't a singularity as it gives an infinite value for ALL > x, not just at a particular x value (ie a singularity). > > Try again I was referring to Jacko.
From: gulaman on 20 Jul 2010 16:50 On Jul 20, 5:01 pm, artful <artful...(a)hotmail.com> wrote: > On Jul 20, 6:14 pm, Jacko <jackokr...(a)gmail.com> wrote: > > > And 0*infinity for that too is part of the singular complex. The > > irremovable singularities of e^x and ln x would also make your > > different handling of * and / as silly as treating + from - in any > > proof. > > > The essential singular complex is a multiplicity of syptomatic > > indeterminates, discontinuities and dis-focused lack of convergence of > > result. There is only one to be analysed, and so is singular. > > > Sticking to subjects I know? Umm? I do know you should stick to a fan > > (of the rotary variaty). > > You have no idea of maths nor the meaning of the terms you are > stringing together. Learn some maths, then come back .. and try to at > least post something coherent next time. in my post i was referring to Jacko not you. He should study up first.
From: BURT on 20 Jul 2010 17:02 On Jul 19, 11:31 pm, Jacko <jackokr...(a)gmail.com> wrote: > On 20 July, 06:08, BURT <macromi...(a)yahoo.com> wrote: > > > > > > > On Jul 19, 9:53 pm, Jacko <jackokr...(a)gmail.com> wrote: > > > > On 20 July, 05:36, gulaman <regala...(a)gmail.com> wrote: > > > > > Some advice > > > > > 1. Study more elementary physics > > > > to appreciate that the point particle representation is only for > > > > convenient solving of physics problems where some factors affecting > > > > the "particle" are not considered. > > > > > 2. Study complex analysis and your math > > > > to know that x/0 is a singularity > > > > 1. Simplyfying the PDE situation is often a fast engineering solution.. > > > 2. i.e. a/uno/eine/singular/1of - NOT 0. > > > Mass is infinitely concentrated energy in a point of aether in space- > > time. > > > Mitch Raemsch > > No, a spacewarp is. Mass is an effect which can but does not have to > occur in the locality of a spacewarp.- Hide quoted text - > > - Show quoted text - We are talking about infinitely dense energy in a point particle that we call mass. Other energy does not weigh and is not mass. Mitch Raemsch
From: artful on 20 Jul 2010 19:16 On Jul 21, 6:42 am, gulaman <regala...(a)gmail.com> wrote: > On Jul 20, 2:29 pm, artful <artful...(a)hotmail.com> wrote: > > > > > > > On Jul 20, 2:36 pm, gulaman <regala...(a)gmail.com> wrote: > > > > Some advice > > > > 1. Study more elementary physics > > > No need > > > > to appreciate that the point particle representation is only for > > > convenient solving of physics problems where some factors affecting > > > the "particle" are not considered. > > > That's what I said > > > > 2. Study complex analysis and your math > > > to know that x/0 is a singularity > > > I understand math just fine, thanks. You can get a mathematical > > singularity when x=0 in 1/x (for example), that's not the only way, of > > course. x/0 isn't a singularity as it gives an infinite value for ALL > > x, not just at a particular x value (ie a singularity). > > > Try again > > I was referring to Jacko. OK .. wasn't clear :)
From: Y.Porat on 20 Jul 2010 20:50
On Jul 20, 8:29 am, artful <artful...(a)hotmail.com> wrote: > On Jul 20, 2:36 pm, gulaman <regala...(a)gmail.com> wrote: > > > Some advice > > > 1. Study more elementary physics > > No need > > > to appreciate that the point particle representation is only for > > convenient solving of physics problems where some factors affecting > > the "particle" are not considered. > > That's what I said > > > 2. Study complex analysis and your math > > to know that x/0 is a singularity > > I understand math just fine, thanks. You can get a mathematical > singularity when x=0 in 1/x (for example), that's not the only way, of > course. x/0 isn't a singularity as it gives an infinite value for ALL > x, not just at a particular x value (ie a singularity). > > Try again ------------------ psychopath ------------------------- |