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Re: dgelsd for prediction     

Group: comp.lang.fortran · Group Profile · Search for Byaa in comp.lang.fortran
Author: Beliavsky
Date: Jun 11, 2007 12:52

On Jun 11, 3:08 pm, byaa...@yahoo.com wrote: On Jun 11, 11:54 am, Beliavsky <beliav...@aol.com> wrote: On Jun 11, 2:12 pm, Gordon Sande <g.sa...@worldnet.att.net> wrote: <snip> Ask in a numerical analysis or statistics newsgroup. Then you would at least give the impression that you might understand a technical response. First the OP should read ...
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Re: dgelsd for prediction     

Group: comp.lang.fortran · Group Profile · Search for Byaa in comp.lang.fortran
Author: Fly Away
Date: Jun 11, 2007 11:37

On Jun 11, 12:23 pm, Kamaraju S Kusumanchi <kamar...@bluebottle.com> wrote: byaa...@yahoo.com wrote: Hi, I am trying to use SVD to predict a number in a series. At risk of exposing my ignorance, may I ask, what is "dgelsd"? Is that routine part of some library? I think googling for "dgelsd" would have saved you from "exposing your ignorance". Yes, it is a subroutine ...
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Re: dgelsd for prediction     

Group: comp.lang.fortran · Group Profile · Search for Byaa in comp.lang.fortran
Author: Beliavsky
Date: Jun 11, 2007 11:36

On Jun 11, 2:23 pm, Kamaraju S Kusumanchi <kamar...@bluebottle.com> wrote: byaa...@yahoo.com wrote: Hi, I am trying to use SVD to predict a number in a series. At risk of exposing my ignorance, may I ask, what is "dgelsd"? Is that routine part of some library? Yes, LAPACK was my guess when seeing the subject line. See below. SUBROUTINE DGELSD( M, N, NRHS, A, LDA...
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Re: solving a system of linear equations     

Group: comp.lang.fortran · Group Profile · Search for Byaa in comp.lang.fortran
Author: Peter Spellucci
Date: Jun 8, 2007 08:07

...:14 pm, Virgil <vir...@comcast.net> wrote: > In article <1181160062.294743.132...@d30g2000prg.googlegroups.com>, > > > > byaa...@yahoo.com wrote: > On Jun 6, 1:55 pm, glen herrmannsfeldt <g...@ugcs.caltech.edu> wrote: > byaa...@yahoo.com wrote: > > (snip) > > Even on simple equasions such as > a1c1 + a2C = ...
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Re: solving a system of linear equations     

Group: comp.lang.fortran · Group Profile · Search for Byaa in comp.lang.fortran
Author: Mark Morss
Date: Jun 8, 2007 06:53

...aep.com> wrote: On Jun 8, 5:21 am, byaa...@yahoo.com wrote: On Jun 6, 1:14 pm, Virgil ...> In article <1181160062.294743.132...@d30g2000prg.googlegroups.com>, byaa...@yahoo.com wrote: On Jun 6, 1:55 pm, glen herrmannsfeldt <g...@ugcs.caltech.edu> wrote: byaa...@yahoo.com wrote: (snip) Even on simple equasions such as ...
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Re: solving a system of linear equations     

Group: comp.lang.fortran · Group Profile · Search for Byaa in comp.lang.fortran
Author: Mark Morss
Date: Jun 8, 2007 06:48

On Jun 8, 5:21 am, byaa...@yahoo.com wrote: On Jun 6, 1:14 pm, Virgil <vir...@comcast.net> ...: In article <1181160062.294743.132...@d30g2000prg.googlegroups.com>, byaa...@yahoo.com wrote: On Jun 6, 1:55 pm, glen herrmannsfeldt <g...@ugcs.caltech.edu> wrote: byaa...@yahoo.com wrote: (snip) Even on simple equasions such as ...
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Re: solving a system of linear equations     

Group: comp.lang.fortran · Group Profile · Search for Byaa in comp.lang.fortran
Author: byaarov
Date: Jun 8, 2007 02:21

...6, 1:14 pm, Virgil <vir...@comcast.net> wrote: In article <1181160062.294743.132...@d30g2000prg.googlegroups.com>, byaa...@yahoo.com wrote: On Jun 6, 1:55 pm, glen herrmannsfeldt <g...@ugcs.caltech.edu> wrote: byaa...@yahoo.com wrote: (snip) Even on simple equasions such as a1c1 + a2C = C, where...
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Re: solving a system of linear equations     

Group: comp.lang.fortran · Group Profile · Search for Byaa in comp.lang.fortran
Author: Dave Dodson
Date: Jun 6, 2007 17:48

On Jun 6, 6:30 pm, byaa...@yahoo.com wrote: On Jun 6, 5:26 pm, glen herrmannsfeldt <g...@ugcs.caltech.edu> wrote: byaa...@yahoo.com wrote: (snip) I am still having an issue... in my simplest case, I am doing the following In my equation AX = B, my A matrix looks like this {0,...
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Re: solving a system of linear equations     

Group: comp.lang.fortran · Group Profile · Search for Byaa in comp.lang.fortran
Author: Virgil
Date: Jun 6, 2007 13:14

In article <1181160062.294743.132630@d30g2000prg.googlegroups.com>, byaarov@yahoo.com wrote: On Jun 6, 1:55 pm, glen herrmannsfeldt <g...@ugcs.caltech.edu> wrote: byaa...@yahoo.com wrote: (snip) Even on simple equasions such as a1c1 + a2C = C, where I have M such equasions (note that the constant for the a2 variable is always the same as the RHS of ...
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