The proof of mass vector.
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From: Bilge on 1 Jul 2006 01:52 Ka-In Yen, crackpot of the day: >Phineas T Puddleduck wrote: [...] >> What does the direction in a mass vector represent? > >In 3D vector algebra, we have to divide a mass by a length vector; so >the linear mass density is a vector, and its direction is same to the >length vector. You need a remedial course in vector algebra. Length is a scalar. The length of a vector, V is defined by L = sqrt(V.V). A linear mass density is a scalar.
From: Ka-In Yen on 2 Jul 2006 20:37 Phineas T Puddleduck wrote: > In article <1151713860.481999.282010(a)p79g2000cwp.googlegroups.com>, > Ka-In Yen <yenkain(a)yahoo.com.tw> wrote: > > > Eric Gisse wrote: > > > Ka-In Yen wrote: > > > > > > [...] > > > > > > > > > > > For your reference: vector division in Matlab. > > > > > > > > http://newsreader.mathworks.com/WebX?14(a)88.ug0LaenUYOM.0@.ef097af > > > > > > Worthless. Using the method MATLAB uses, there are an infinite number > > > of matricies that a and b that create the product a/b. > > > > Obviously you did not read Titus's posting carefully. Please try again: > > > > http://www.google.com/search?hl=en&lr=&q=%22vector+division+in+matlab%22 > > > > > > > > > You repost the same tripe about once a month in the same thread over > > > and over while ignoring criticisms that would cause you to have to > > > abandon your work. > > > > Home work for Eric Gisse: > > A rectangle sits in 3D space. The area vector of the rectangle is A, > > and the legth vector of one side of the rectangle is L. Please find > > the length vector of the other side of the rectangle? > > > > Are you truly this clueless? The answer is in this thread.
From: Ka-In Yen on 2 Jul 2006 20:42 Eric Gisse wrote: > Ka-In Yen wrote: > > Eric Gisse wrote: > > > Ka-In Yen wrote: > > > > > > [...] > > > > > > > > > > > For your reference: vector division in Matlab. > > > > > > > > http://newsreader.mathworks.com/WebX?14(a)88.ug0LaenUYOM.0@.ef097af > > > > > > Worthless. Using the method MATLAB uses, there are an infinite number > > > of matricies that a and b that create the product a/b. > > > > Obviously you did not read Titus's posting carefully. Please try again: > > > > http://www.google.com/search?hl=en&lr=&q=%22vector+division+in+matlab%22 > > What part of "underdetermined" confuses you? > > Vector division is not defined at all, much less that way, because > there is no unique inverse! > > > > > > > > > > You repost the same tripe about once a month in the same thread over > > > and over while ignoring criticisms that would cause you to have to > > > abandon your work. > > > > Home work for Eric Gisse: > > A rectangle sits in 3D space. The area vector of the rectangle is A, > > and the legth vector of one side of the rectangle is L. Please find > > the length vector of the other side of the rectangle? > > LENGTH IS NOT A VECTOR. Length-vector is a vector. > > AREA IS NOT A VECTOR. For your reference: http://en.wikipedia.org/wiki/Vector_area
From: Eric Gisse on 2 Jul 2006 23:44 Ka-In Yen wrote: > Phineas T Puddleduck wrote: > > In article <1151713860.481999.282010(a)p79g2000cwp.googlegroups.com>, > > Ka-In Yen <yenkain(a)yahoo.com.tw> wrote: > > > > > Eric Gisse wrote: > > > > Ka-In Yen wrote: > > > > > > > > [...] > > > > > > > > > > > > > > For your reference: vector division in Matlab. > > > > > > > > > > http://newsreader.mathworks.com/WebX?14(a)88.ug0LaenUYOM.0@.ef097af > > > > > > > > Worthless. Using the method MATLAB uses, there are an infinite number > > > > of matricies that a and b that create the product a/b. > > > > > > Obviously you did not read Titus's posting carefully. Please try again: > > > > > > http://www.google.com/search?hl=en&lr=&q=%22vector+division+in+matlab%22 > > > > > > > > > > > > > You repost the same tripe about once a month in the same thread over > > > > and over while ignoring criticisms that would cause you to have to > > > > abandon your work. > > > > > > Home work for Eric Gisse: > > > A rectangle sits in 3D space. The area vector of the rectangle is A, > > > and the legth vector of one side of the rectangle is L. Please find > > > the length vector of the other side of the rectangle? > > > > > > > Are you truly this clueless? > > The answer is in this thread. I suppose that is true...
From: Eric Gisse on 4 Jul 2006 00:52
Ka-In Yen wrote: [...] > > A^(-1) = 1/A = A/A^2 VECTOR DIVISION IS *NOT* A DEFINED OPERATION! [...] > > Area vector is chinilish(chinese-english). It's my bad, my > english is not so well. Area vector(chinilish) is same to > vector area(english). It is neither the fault of Chinese (which Chinese? There is a bunch) nor English that you do not know what you are talking about. |