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
