Here is a resource that should be better known. To use it you load ~addons/math/mt/mt.ijs --Kip Murray
>>> On Mon, Apr 8, 2013 at 3:17 AM, Kip Murray <[email protected]> wrote: >> >> Igor Zhuravlof provides j routines that model LAPACK routines for >> eigenvalues and eigenvectors. See "matrix toolbox" >> >> ~addons/math/mt >> >> with contents summarized in >> >> ~addons/math/mt/mt.ijs >> >> I have not tried them but would expect them to run in j701JHS. Sent from my iPad > On Oct 2, 2013, at 9:21 AM, Raul Miller <[email protected]> wrote: > > J's support for mechanisms to compute eigenvalues has been rather > messy. And, by messy I mean that it looks like we rarely exercise > these mechanisms - we don't have unit tests on the entry points to be > run before uploading library updates, we don't have particularly good > documentation on the code we have and there are other problems. > > Here's an example I stumbled over today: > > docs_jlapack_'' > |value error: dirs > | dirs jpathsep path,'doc/*.lap' > require'dirs' > not found: /Users/rdmiller/Applications/j64-801/bin/dirs > |file name error: script > | 0!:0 y[4!:55<'y' > require 'dir' > docs_jlapack_'' > |value error: dirs > | dirs jpathsep path,'doc/*.lap' > getscripts_j_ 'dir' > > > So here's a question: does anyone have the time and energy to put into > this mess? > > Thanks, > > -- > Raul > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
