Thank you for your answer! The example is running perfectly, but the eigenvalues, the eigenvectors and SVD are not. I do not understand why?
load'math/lapack2' load'math/lapack2/example/dgeev' 0.799482 _0.0994125j0.400792 _0.0994125j_0.400792 _0.100657 ┌────────────────────────────────────────┬───────────────────────────────────────┐ │ _0.624471 0.533023 0 0.664141 │ _0.655089 _0.193302 0.254632 0.125333 │ │ _0.599489 _0.266616 0.404136 _0.106815 │ _0.523629 0.251857 _0.522405 0.332022 │ │ 0.499916 0.345526 0.315285 0.729325 │ 0.536218 0.0971825 _0.308384 0.593838 │ │_0.0270862 _0.254081 _0.445113 0.124866 │_0.0956068 0.675954 0 0.722087 │ └────────────────────────────────────────┴───────────────────────────────────────┘ load'math/lapack2/example/dgesvd' ┌──────────┬─────────────────────────────┬───────────────────────────────────────┐ │ 1.45189 │_0.819947 0.556294 0.134997 │_0.801549 _0.446592 _0.314262 _0.243545│ │ 0.143339 │_0.466218 _0.512125 _0.721366│ 0.572863 _0.391724 _0.512788 _0.505399│ │0.00422124│_0.332157 _0.65442 0.679269 │ 0.16912 _0.738115 0.120025 0.642012 │ │ │ │0.0272991 _0.319835 0.789862 _0.522569 │ └──────────┴─────────────────────────────┴───────────────────────────────────────┘ 1.45189 0 0 0 0 0.143339 0 0 0 0 0.00422124 0 ┌───────────────────────────┬───────────────────────────┐ │ 1 0.5 0.3333 0.25 │ 1 0.5 0.3333 0.25 │ │ 0.5 0.3333 0.25 0.2 │ 0.5 0.3333 0.25 0.2 │ │0.3333 0.25 0.2 0.1667 │0.3333 0.25 0.2 0.1667 │ └───────────────────────────┴───────────────────────────┘ coclass 'jlapack' dgeev=: geev tdgeev=: tgeev testdgeev=: testgeev require '~addons/math/lapack2/geev.ijs' not found: c:/users/tulajdonos/j903/addons/math/lapack2/geev.ijs |file name error: script | 0!:0 y[4!:55<'y' dgesvd=: gesvd tdgsvd=: tgsvd restdgsvd=: testgsvd require '~addons/math/lapack2/gesvd.ijs' not found: c:/users/tulajdonos/j903/addons/math/lapack2/gesvd.ijs |file name error: script | 0!:0 y[4!:55<'y' load'addons/math/lapack/gesvd.ijs' not found: C:/Users/Tulajdonos/addons/math/lapack/gesvd.ijs |file name error: script | 0!:0 y[4!:55<'y' bill lam <bbill....@gmail.com> ezt írta (időpont: 2023. febr. 14., K, 15:43): > The math/lapack addon was no longer supported on current J. > Instead, lapack is provided by math/lapack2. The windows binaries from it > has optimized blas, > should be order of magnitude faster than that in the older lapack addon. > However, usage of these 2 addons are different. > You need to study various scripts under the test folder. > The dgeev.ijs should be the script you need. > > FYI the left argument of dyad verb tdgeev there is the parameter for data > type/precision. > 0 1 2 3 for double complex single-precision float and single-precision > complex. > > > On Tue, Feb 14, 2023 at 10:06 PM Erik Papp <erikmail...@gmail.com> wrote: > > > Dear J Jusers, > > > > Earlier I used *LAPACK* in the *J602a* and *J804* versions without any > > problems. > > > > I installed the *J903* version along with *LAPACK* based on > > > > *System/Installation/J903/AIO*. I repeated the installation several > > times, but it does not run, > > > > it *always gives an error*. > > > > I tried running the *Addons/math/lapack* example, but I kept getting > > an error message. > > > > After > > > > load 'math/lapack math/lapack/dgeev' > > > > not found: c:/users/tulajdonos/j903/addons/math/lapack/lapack.ijs > > > > |file name error: script > > > > | 0!:0 y[4!:55<'y' > > > > I getting error message. > > > > It was the same problem after > > > > load 'math/lapack2 math/lapack2/dgeev' > > > > not found: c:/users/tulajdonos/j903/addons/math/lapack2/dgeev.ijs > > > > |file name error: script > > > > | 0!:0 y[4!:55<'y' > > > > > > Has anyone had a similar experience? > > > > How to install LAPACK on J903? > > > > Thank you in advance for your kind help. > > > > Sincerely, 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