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MATLAB Central > MATLAB Newsreader > Angle between two vectors 

How do I find the angle between two unit vectors a and b? I know I 
Subject: Angle between two vectors From: ellieandrogerxyzzy@m... Date: 10 Jul, 2007 02:57:36 Message: 2 of 77 
In article <ef5ce9c.1@webcrossing.raydaftYaTP>, "y Mehta" 
On Jul 9, 5:16 pm, "y Mehta" <mehtayogesh@gmail.(DOT).com> wrote: 
Subject: Angle between two vectors From: ellieandrogerxyzzy@m... Date: 10 Jul, 2007 08:27:08 Message: 4 of 77 
In article <1184052626.324470.175540@n2g2000hse.googlegroups.com>, Greg 
On Jul 10, 4:27 am, ellieandrogerxy...@mindspring.com.invalid (Roger 
Subject: Angle between two vectors From: ellieandrogerxyzzy@m... Date: 10 Jul, 2007 23:22:36 Message: 6 of 77 
In article <1184104526.774530.54800@n60g2000hse.googlegroups.com>, Greg 
Thanks Greg and Roger. Your inputs were very useful for me. 
hello, 
hello, 
Subject: Angle between two vectors From: Roger Stafford Date: 10 Dec, 2007 18:35:28 Message: 10 of 77 
"salih tuna" <salihtuna@gmail.com> wrote in message <fjj9nj$fia 
Hi, 
Subject: Angle between two vectors From: Roger Stafford Date: 11 Dec, 2007 13:56:20 Message: 12 of 77 
"salih tuna" <salihtuna@gmail.com> wrote in message <fjlrpl$gii 
Roger hi, 
Subject: Angle between two vectors From: Roger Stafford Date: 11 Dec, 2007 19:32:07 Message: 14 of 77 
"salih tuna" <salihtuna@gmail.com> wrote in message <fjmabs$9fh 
"Roger Stafford" 
"baris kazar" <mbkazar.nospam@gmail.com> wrote in message 
"Bruno Luong" <b.luong@fogale.fr> wrote in message <fl3eu1 
Subject: Angle between two vectors From: Roger Stafford Date: 28 Dec, 2007 20:36:34 Message: 18 of 77 
"baris kazar" <mbkazar.nospam@gmail.com> wrote in message <fl377q$4ip 
"Roger Stafford" 
"baris kazar" <mbkazar.nospam@gmail.com> wrote in message 
Subject: Angle between two vectors From: Roger Stafford Date: 28 Dec, 2007 21:52:57 Message: 21 of 77 
"baris kazar" <mbkazar.nospam@gmail.com> wrote in message <fl3nhq$3tc 
"Bruno Luong" <b.luong@fogale.fr> wrote in message 
"Roger Stafford" 
"Roger Stafford" 
"baris kazar" <mbkazar.nospam@gmail.com> wrote in message 
"Bruno Luong" <b.luong@fogale.fr> wrote in message 
Subject: Angle between two vectors From: Uzair Siddiqui Date: 12 Apr, 2009 17:03:01 Message: 27 of 77 
Hi 
Subject: Angle between two vectors From: Roger Stafford Date: 12 Apr, 2009 19:35:01 Message: 28 of 77 
"Uzair Siddiqui" <uzair@meragsm.com> wrote in message <grt6s5$2hh$1@fred.mathworks.com>... 
Subject: Angle between two vectors From: Uzair Siddiqui Date: 13 Apr, 2009 04:16:01 Message: 29 of 77 
Thanks A Lot Roger 
Subject: Angle between two vectors From: Roger Stafford Date: 13 Apr, 2009 05:03:34 Message: 30 of 77 
"Uzair Siddiqui" <uzair@meragsm.com> wrote in message <gruea1$nep$1@fred.mathworks.com>... 
Subject: Angle between two vectors From: Uzair Siddiqui Date: 13 Apr, 2009 07:17:02 Message: 31 of 77 
Thanks again Roger. 
Thank you very much for posting these messages, Mr. Stafford. These definitely helped!! 
Hi Roger, 
Subject: Angle between two vectors From: Benjamin McCrite Date: 24 Feb, 2010 00:41:05 Message: 34 of 77 
Greg Heath <heath@alumni.brown.edu> wrote in message <1184052626.324470.175540@n2g2000hse.googlegroups.com>... 
On Feb 23, 4:41Â pm, "Benjamin McCrite" <dragonmast...@hotmail.com> 
Nathan <ngreco32@gmail.com> wrote in message <8db784bfa96e431bb5c6d6836905d350@o16g2000prh.googlegroups.com>... 
Nathan <ngreco32@gmail.com> wrote in message <8db784bfa96e431bb5c6d6836905d350@o16g2000prh.googlegroups.com>... 
Subject: Angle between two vectors From: Roger Stafford Date: 17 Jun, 2010 00:47:03 Message: 38 of 77 
"Beho nashed" <beho86@yahoo.com> wrote in message <hvbni8$s0h$1@fred.mathworks.com>... 
Hello Roger, 
Subject: Angle between two vectors From: Roger Stafford Date: 17 Jun, 2010 02:55:10 Message: 40 of 77 
"Beho nashed" <beho86@yahoo.com> wrote in message <hvbs37$a30$1@fred.mathworks.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <hvc2qe$59b$1@fred.mathworks.com>... 
Subject: Angle between two vectors From: Roger Stafford Date: 18 Jun, 2010 04:38:03 Message: 42 of 77 
"Beho nashed" <beho86@yahoo.com> wrote in message <hvejah$ab6$1@fred.mathworks.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <hvet7b$b6c$1@fred.mathworks.com>... 
"Beho nashed" <beho86@yahoo.com> wrote in message <hvg0i3$khr$1@fred.mathworks.com>... 
can I just use this (2 points) 
Subject: Angle between two vectors From: Roger Stafford Date: 18 Jun, 2010 22:51:05 Message: 46 of 77 
Beho <newparadize2002@gmail.com> wrote in message <e615968b18d6489fbbfc343a546f8869@g19g2000yqc.googlegroups.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <hvgt8p$ss7$1@fred.mathworks.com>... 
Subject: Angle between two vectors From: Roger Stafford Date: 19 Jun, 2010 17:40:22 Message: 48 of 77 
"Beho nashed" <beho86@yahoo.com> wrote in message <hvips2$nuh$1@fred.mathworks.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <fl3moi$pvc$1@fred.mathworks.com>... 
Subject: Angle between two vectors From: Roger Stafford Date: 17 Jul, 2010 21:31:03 Message: 50 of 77 
"Bard Romstad" <this.is.not.a.real.address@gmail.com> wrote in message <i1su0s$deu$1@fred.mathworks.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <i1t7en$gvq$1@fred.mathworks.com>... 
> Hi Roger, 
Subject: Angle between two vectors From: Roger Stafford Date: 18 Jul, 2010 17:13:05 Message: 53 of 77 
"Bard Romstad" <this.is.not.a.real.address@gmail.com> wrote in message <i1v3gj$8rh$1@fred.mathworks.com>... 
"Roger Stafford" <ellieandrogerxyzzy@mindspring.com.invalid> wrote in message <i1vcn1$s7p$1@fred.mathworks.com>... 
Subject: Angle between two vectors From: Roger Stafford Date: 18 Jul, 2010 19:52:03 Message: 55 of 77 
"Bard R." <this.is.not.a.real.address@gmail.com> wrote in message <i1vhmb$1rq$1@fred.mathworks.com>... 

"Loren_Shure" <loren.shure@mathworks.com> wrote in message <i21g0k$ker$1@fred.mathworks.com>... 
Subject: Angle between two vectors From: Roger Stafford Date: 19 Jul, 2010 17:19:04 Message: 58 of 77 
"Loren_Shure" <loren.shure@mathworks.com> wrote in message <i21g0k$ker$1@fred.mathworks.com>... 

Subject: Angle between two vectors From: Robert Phillips Date: 7 Dec, 2010 17:27:18 Message: 60 of 77 
Roger, 
Hey guys! 
hey guys, 
"Marwan N" wrote in message <il9t55$en6$1@fred.mathworks.com>... 

"Loren Shure" <loren.shure@mathworks.com> wrote in message <ilafo2$nnp$1@fred.mathworks.com>... 
thnks Bruno.....finally the thread has conclusion. 
Wondering if anyone can please help me with yet another problem calculating angles in matlab! 
Subject: Angle between two vectors From: Roger Stafford Date: 16 Aug, 2011 16:36:14 Message: 68 of 77 
"philippa" wrote in message <j2djkb$j0o$1@newscl01ah.mathworks.com>... 
Subject: Angle between two vectors From: Roger Stafford Date: 16 Aug, 2011 16:46:26 Message: 69 of 77 
"Roger Stafford" wrote in message <j2e69u$njg$1@newscl01ah.mathworks.com>... 
"y Mehta" <mehtayogesh@gmail.(DOT).com> wrote in message <ef5ce9c.1@webcrossing.raydaftYaTP>... 
Subject: Angle between two vectors From: Roger Stafford Date: 20 Aug, 2011 00:25:09 Message: 71 of 77 
"Jonathan " <Johnhadida@hotmail.fr> wrote in message <j2mpke$4cu$1@newscl01ah.mathworks.com>... 
"Roger Stafford" wrote in message <fjm4u4$i8o$1@fred.mathworks.com>... 
"Dylan" wrote in message <j74np2$m9p$1@newscl01ah.mathworks.com>... 
Subject: Angle between two vectors From: Bjorn Gustavsson Date: 18 Oct, 2011 14:39:26 Message: 74 of 77 
"Dylan" wrote in message <j74os6$qcj$1@newscl01ah.mathworks.com>... 
Very useful! 
"Roger Stafford" wrote in message <hvet7b$b6c$1@fred.mathworks.com>... 
Subject: Angle between two vectors From: Roger Stafford Date: 17 Mar, 2012 23:10:29 Message: 77 of 77 
"Amit " <av_pachore@yahoo.com> wrote in message <jk1qvp$492$1@newscl01ah.mathworks.com>... 
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