load '~addons/math/lapack/geev.ijs' 2011/11/22 "Papp Erik Tamás" <[email protected]>
> Dear Forum, > > How can install and run/use the LAPACK? > I tried, but got the folloving error messages: > > load 'math/lapack' > |file name error: script > | 0!:0 y[4!:55<'y' > > load 'math/lapack/geev' > |file name error: script > | 0!:0 y[4!:55<'y' > > Thank you in advance, > > Erik > > > ----- Eredeti levél (Original Message) ----- > Feladó: Lippu Esa <[email protected]> > Dátum: Péntek, November 18, 2011 10:56 de > Tárgy: Re: [Jprogramming] maximal eigenvector of a 4x4 real-symmetric > matrix > Címzett: Programming forum <[email protected]> > > > Welcome the J Forum, Erik! > > > > There is a LAPACK addon for J. > > > > load 'math/lapack' > > load 'math/lapack/geev' > > > > ]R=: 3 3 $ 1 0.5 0.2 0.5 1 0.3 0.2 0.3 1 NB. A 3x3 correlation matrix > > > > geev_jlapack_ R > > > ┌─────────────────────────────┬─────────────────────────┬─────────────────────────────┐ > > │_0.607593 _0.650369 _0.455907│1.68391 0.487161 > > 0.828931│_0.607593 _0.650369 _0.455907│ > > │_0.646557 0.738394 > > _0.191674│ │_0.646557 0.738394 _0.191674│ > > │_0.461298 _0.17831 > > 0.869143│ │_0.461298 _0.17831 0.869143│ > > > └─────────────────────────────┴─────────────────────────┴─────────────────────────────┘ > > > > Check the J wiki and Help->Studio->Labs for further information. > > > > Esa > > > > -----Original Message----- > > From: [email protected] [mailto:programming- > > [email protected]] On Behalf Of "Papp Erik Tamás" > > Sent: 18. marraskuuta 2011 11:26 > > To: [email protected] > > Subject: [Jprogramming] maximal eigenvector of a 4x4 real- > > symmetric matrix > > > > Dear Forum, > > > > I am a Newbies in J programming. I woild like to write a J > > program for calculating > > eigenvalues and eigenvector of a symmetric matrix. How can write > > a J program to > > find the maximal eigenvector of a 4x4 real-symmetric matrix? > > > > Can someone help me or give me a good advice? > > > > Sincerely yours, > > > > Erik > > ----------------------------------------------------------------- > > ----- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > ----------------------------------------------------------------- > > ----- > > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Björn Helgason, Verkfræðingur Fornustekkum II 781 Hornafirði, t-póst: [email protected] gsm: +3546985532 twitter: @flugfiskur http://groups.google.com/group/J-Programming Tæknikunnátta höndlar hið flókna, sköpunargáfa er meistari einfaldleikans góður kennari getur stigið á tær án þess að glansinn fari af skónum /|_ .-----------------------------------. ,' .\ / | Með léttri lund verður | ,--' _,' | Dagurinn í dag | / / | Enn betri en gærdagurinn | ( -. | `-----------------------------------' | ) | (\_ _/) (`-. '--.) (='.'=) ♖♘♗♕♔♙ `. )----' (")_(") ☃☠ ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
