Done. However current jhs is inefficient in serving large files, if I understand correctly.
Вск, 08 Янв 2012, William Szuch писал(а): > Bill Lam > > Your correction will be OK. > > Thanks > Bill Szuch > > -----Original Message----- > From: programming-boun...@jsoftware.com > [mailto:programming-boun...@jsoftware.com] On Behalf Of > programming-requ...@jsoftware.com > Sent: Sunday, 8 January 2012 3:00 PM > To: programming@jsoftware.com > Subject: Programming Digest, Vol 76, Issue 39 > > Send Programming mailing list submissions to > programming@jsoftware.com > > To subscribe or unsubscribe via the World Wide Web, visit > http://jsoftware.com/cgi-bin/mailman/listinfo/programming > or, via email, send a message with subject or body 'help' to > programming-requ...@jsoftware.com > > You can reach the person managing the list at > programming-ow...@jsoftware.com > > When replying, please edit your Subject line so it is more specific than > "Re: Contents of Programming digest..." > > > Today's Topics: > > 1. Re: Getting the diagonal of a square matrix (Papp Erik Tam?s) > 2. Re: Indexed assignment must be slow? (Marc Simpson) > 3. Re: Getting the diagonal of a square matrix (Don Guinn) > 4. Re: Getting the diagonal of a square matrix (Alex Giannakopoulos) > 5. jfilesrc (William Szuch) > 6. Re: jfilesrc (bill lam) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sat, 07 Jan 2012 11:36:01 +0100 > From: "Papp Erik Tam?s" <papp.e...@ybl.szie.hu> > Subject: Re: [Jprogramming] Getting the diagonal of a square matrix > To: Programming forum <programming@jsoftware.com> > Message-ID: <f76f9cc7d193.4f082...@szie.hu> > Content-Type: text/plain; charset=iso-8859-2 > > Hi, > > Some example of getting the main diagonal of square matrices: > > ]A=:2 2$1 2 3 4 > 1 2 > 3 4 > > (<0 1)|:A NB. The main diagonal of a square matrix A > 1 4 > > ]B=:3 3$1 2 3 4 5 6 > 1 2 3 > 4 5 6 > 1 2 3 > > (<0 1)|:B NB. The main diagonal of a square matrix B > 1 5 3 > > ]N=:4 4$i. 16 > 0 1 2 3 > 4 5 6 7 > 8 9 10 11 > 12 13 14 15 > > (<0 1)|:N NB. The main diagonal of a square matrix N > 0 5 10 15 > > Regards, > > Erik > ----- Eredeti lev?l (Original Message) ----- > Felad?: Alex Giannakopoulos <aeg...@blueyonder.co.uk> > D?tum: P?ntek, Janu?r 6, 2012 9:48 du > T?rgy: [Jprogramming] Getting the diagonal of a square matrix > C?mzett: Programming forum <programming@jsoftware.com> > > > Hi > > > > Is there a better (more efficient or whatever) way of getting the > > diagonal of a matrix than the simple multiplication I use below? > > > > Say, > > > > randmat=. [: ? 0 $~,~ > > idmat =. [:=i. > > randiag =. randmat * idmat > > > > Many Thanks > > ----------------------------------------------------------------- > > ----- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > > ------------------------------ > > Message: 2 > Date: Sat, 7 Jan 2012 12:19:27 +0000 > From: Marc Simpson <m...@0branch.com> > Subject: Re: [Jprogramming] Indexed assignment must be slow? > To: Programming forum <programming@jsoftware.com> > Message-ID: > <CAMbwm8_5D6Lhexqw3iDKHoCJZ_CufhiBfRaxuT-=uvx9j2v...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > On Fri, Jan 6, 2012 at 11:42 PM, Alexander Mikhailov <avm...@yahoo.com> > wrote: > > > > I'm not quite sure about this line - > > > > x=:55(3})(some verb returning a scalar)44(2})x > > > > If the verb returns a scalar - not a vector - then how 55 (3}) will work > on the result of that verb?.. > > > > May be this time I'm missing something? > > I gather that something like this > > v =: >: > x =: 55 (3}) (v 44) (2}) x > > was intended (at least, that's how I read it). > > M > > > ------------------------------ > > Message: 3 > Date: Sat, 7 Jan 2012 06:28:18 -0700 > From: Don Guinn <dongu...@gmail.com> > Subject: Re: [Jprogramming] Getting the diagonal of a square matrix > To: Programming forum <programming@jsoftware.com> > Message-ID: > <caecakcmvwvv5ivmjjtsotek+pudizcuxzqvhrblee8yypu8...@mail.gmail.com> > Content-Type: text/plain; charset=UTF-8 > > i.3 3 3 > 0 1 2 > 3 4 5 > 6 7 8 > > 9 10 11 > 12 13 14 > 15 16 17 > > 18 19 20 > 21 22 23 > 24 25 26 > (<0 1 2)|:i.3 3 3 > 0 13 26 > (<0 1)|:i.3 3 3 > 0 12 24 > 1 13 25 > 2 14 26 > > 2012/1/7 "Papp Erik Tam?s" <papp.e...@ybl.szie.hu> > > > Hi, > > > > Some example of getting the main diagonal of square matrices: > > > > ]A=:2 2$1 2 3 4 > > 1 2 > > 3 4 > > > > (<0 1)|:A NB. The main diagonal of a square matrix A > > 1 4 > > > > ]B=:3 3$1 2 3 4 5 6 > > 1 2 3 > > 4 5 6 > > 1 2 3 > > > > (<0 1)|:B NB. The main diagonal of a square matrix B > > 1 5 3 > > > > ]N=:4 4$i. 16 > > 0 1 2 3 > > 4 5 6 7 > > 8 9 10 11 > > 12 13 14 15 > > > > (<0 1)|:N NB. The main diagonal of a square matrix N > > 0 5 10 15 > > > > Regards, > > > > Erik > > ----- Eredeti lev?l (Original Message) ----- > > Felad?: Alex Giannakopoulos <aeg...@blueyonder.co.uk> > > D?tum: P?ntek, Janu?r 6, 2012 9:48 du > > T?rgy: [Jprogramming] Getting the diagonal of a square matrix > > C?mzett: Programming forum <programming@jsoftware.com> > > > > > Hi > > > > > > Is there a better (more efficient or whatever) way of getting the > > > diagonal of a matrix than the simple multiplication I use below? > > > > > > Say, > > > > > > randmat=. [: ? 0 $~,~ > > > idmat =. [:=i. > > > randiag =. randmat * idmat > > > > > > Many Thanks > > > ----------------------------------------------------------------- > > > ----- > > > For information about J forums see > > > http://www.jsoftware.com/forums.htm > > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > > > > ------------------------------ > > Message: 4 > Date: Sat, 7 Jan 2012 21:37:32 +0000 > From: Alex Giannakopoulos <aeg...@blueyonder.co.uk> > Subject: Re: [Jprogramming] Getting the diagonal of a square matrix > To: Programming forum <programming@jsoftware.com> > Message-ID: > <CAD=r9jnavog4cmg+kljwyxieoe6pm0mtk7ygbc+25s0u+xy...@mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > Yeah, great stuff that, Don, thanks. > Could do with a fuller tutorial, though. > Didn't find anything other than the 2 line description Might give it a go > myself when I fully understand it. > > On 7 January 2012 13:28, Don Guinn <dongu...@gmail.com> wrote: > > > i.3 3 3 > > 0 1 2 > > 3 4 5 > > 6 7 8 > > > > 9 10 11 > > 12 13 14 > > 15 16 17 > > > > 18 19 20 > > 21 22 23 > > 24 25 26 > > (<0 1 2)|:i.3 3 3 > > 0 13 26 > > (<0 1)|:i.3 3 3 > > 0 12 24 > > 1 13 25 > > 2 14 26 > > > > > > > ------------------------------ > > Message: 5 > Date: Sun, 8 Jan 2012 10:27:39 +1100 > From: "William Szuch" <bsz...@wsa-fincon.com.au> > Subject: [Jprogramming] jfilesrc > To: "J Programming Forum" <programming@jsoftware.com> > Message-ID: <000001cccd93$f2299600$d67cc200$@wsa-fincon.com.au> > Content-Type: text/plain; charset="us-ascii" > > Suggestion: > > Include: > > media/avi avi > > media/wmv wmv > > > > > > > > Regards > > > > Bill Szuch > > > > > > ------------------------------ > > Message: 6 > Date: Sun, 8 Jan 2012 10:03:27 +0800 > From: bill lam <bbill....@gmail.com> > Subject: Re: [Jprogramming] jfilesrc > To: programming@jsoftware.com > Message-ID: <20120108020327.GA2862@debian.b2j> > Content-Type: text/plain; charset=utf-8 > > I checked /etc/mime.types in my debian, there is no 'media' types. > it contains lines > > video/x-ms-wmv wmv > > video/x-msvideo avi > > will these be ok? Which browsers expect the mime.type you describe? > > ???, 08 ??? 2012, William Szuch ?????(?): > > Suggestion: > > > > Include: > > > > media/avi avi > > > > media/wmv wmv > > > > > > > > > > > > > > > > Regards > > > > > > > > Bill Szuch > > > > > > > > ---------------------------------------------------------------------- > > For information about J forums see http://www.jsoftware.com/forums.htm > > -- > regards, > ==================================================== > GPG key 1024D/4434BAB3 2008-08-24 > gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 > > > ------------------------------ > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > > End of Programming Digest, Vol 76, Issue 39 > ******************************************* > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm -- regards, ==================================================== GPG key 1024D/4434BAB3 2008-08-24 gpg --keyserver subkeys.pgp.net --recv-keys 4434BAB3 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm