Thank you Ric, I succesfully installed LAPAC and run perfectly!
Erik ----- Eredeti levél (Original Message) ----- Feladó: Ric Sherlock <[email protected]> Dátum: Kedd, November 22, 2011 8:12 du Tárgy: Re: [Jprogramming] maximal eigenvector of a 4x4 real-symmetric matrix Címzett: Programming forum <[email protected]> > The addon documentation may help get you started. > http://www.jsoftware.com/jwiki/Addons/math/lapack > > 2011/11/23 "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------------------------------ > ---------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
