|
| From: | Dr YD Sharma |
| Subject: | [Glug-nith-discuss] Re: Open Source Mathematics SAGE: Open Source Mathematics Software |
| Date: | Thu, 10 Jan 2008 15:17:31 +0530 |
I a trying to download it, but probably it will take 10hrs to complete the
same as download speed is very slow
On Tue, 08 Jan 2008 12:02:29 -0500, glug-nith-discuss-request wrote
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> Today's Topics:
>
> 1. a problem for anyone to solve... (Satyajit Sarangi)
> 2. Re: SAGE: Open Source Mathematics Software
> (Goudar Vishwanathappa Manu)
> 3. Re: Gusty Gibbon wireless problem (Goudar Vishwanathappa Manu)
>
> 4. Re: SAGE: Open Source Mathematics Software (Debarshi 'Rishi'
> Ray)
> 5. RE: Gusty Gibbon wireless problem (address@hidden)
> 6. Re: Gusty Gibbon wireless problem (Debarshi 'Rishi' Ray)
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 7 Jan 2008 11:36:57 -0600
> From: "Satyajit Sarangi" <address@hidden>
> Subject: [Glug-nith-discuss] a problem for anyone to solve...
> To: address@hidden
> Message-ID:
> <address@hidden>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi guys....
> I am working on a problem these days and thought it would
> be rather good to throw it out to anyone who can come up with a good
> solution..
>
> Problem Definition: Given n Polylines on a plane. Find all intersections
> among them.
>
> Polyline Definition (in case you don't know): A Polyline is a curve
> basically made up of a lot of straight lines.. so you can imagine it
> to be a curve made by joining a couple of small straight lines.
>
> Initial place to start: This is a problem from the field of computational
> geometry.. can be found in ur algo's book (Cormen).
> Most places on net will describe this problem
> for the sweep line algorithm.
>
> O(n^2) algorithm is to just to do a brute force algorithm.
>
> O(nlogn) algo - sweep line algo..
>
> Problem with sweep line algorithm - has to handle a lot of degeneracies.
> Also the basic problem definition for sweep line algo is for
> multiple line segments which may or may not be connected.
>
> I have my own implementation of this using a Bounding box tree which
> is simply a binary search tree.
>
> Want to see if you brilliant guys have some more ideas of how this
> could be implemented...
>
> Thanks..
> Satyajit
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> ------------------------------
>
> Message: 2
> Date: Tue, 8 Jan 2008 16:21:33 +0530
> From: "Goudar Vishwanathappa Manu" <address@hidden>
> Subject: Re: [Glug-nith-discuss] SAGE: Open Source Mathematics
> Software
> To: address@hidden, "Principal GLUG-NITH mailing list for
> general purpose discussions." <address@hidden>
> Message-ID:
> <address@hidden>
> Content-Type: text/plain; charset=ISO-8859-1
>
> > http://sage.math.washington.edu/sage/
> great link man. Let this free software destroy the monopoly of
> properitary softwares like mathematica and matlab who have been
> charging huge money and hiding their codes which is most required for
> mathematicans.
>
> > ...and it works on Windows, Mac OS X, and GNU/Linux.
> I will try it soon :)
>
> > Can someone bring this to the attention of Dr. Y.D. Sharma (YD sir)?
> After I try this i will bring it to his attention surely.
>
> Cheers
> --
> G V Manu
>
> ------------------------------
>
> Message: 3
> Date: Tue, 8 Jan 2008 16:25:56 +0530
> From: "Goudar Vishwanathappa Manu" <address@hidden>
> Subject: Re: [Glug-nith-discuss] Gusty Gibbon wireless problem
> To: "Principal GLUG-NITH mailing list for general purpose
> discussions." <address@hidden>
> Message-ID:
> <address@hidden>
> Content-Type: text/plain; charset=ISO-8859-1
>
> > Its 64bit Gusty. I personally recommend 32bit linux install. Some very
> > critical softwares do not have 64bit ports.
> What do you mean by critical softwares here?
>
> > Are you using final release of Gusty or upgraded from beta/RC? I
> > happened to see a bug with similar description.
> I have installed 32bit Gusty final release. I will try 64bit live cd
> and see whether my wireless card is detected or not.
>
> Cheers
> --
> G V Manu
>
> ------------------------------
>
> Message: 4
> Date: Tue, 8 Jan 2008 16:39:13 +0530
> From: "Debarshi 'Rishi' Ray" <address@hidden>
> Subject: Re: [Glug-nith-discuss] SAGE: Open Source Mathematics
> Software
> To: "Goudar Vishwanathappa Manu" <address@hidden>
> Cc: "Principal GLUG-NITH mailing list for general purpose
> discussions." <address@hidden>
> Message-ID:
> <address@hidden>
> Content-Type: text/plain; charset=ISO-8859-1
>
> > great link man. Let this free software destroy the monopoly of
> > properitary softwares like mathematica and matlab
>
> For MATLAB replacements, you can try:
> + GNU Octave: http://www.gnu.org/software/octave/
> + kOctave: http://athlone.ath.cx/~matti/kde/koctave/
> + Freemat: http://freemat.sourceforge.net/wiki/index.php/Main_Page
>
> Cheers,
> Debarshi
>
> ------------------------------
>
> Message: 5
> Date: Tue, 8 Jan 2008 17:01:50 +0530
> From: <address@hidden>
> Subject: RE: [Glug-nith-discuss] Gusty Gibbon wireless problem
> To: <address@hidden>
> Message-ID:
> <address@hidden>
> Content-Type: text/plain; charset="us-ascii"
>
> > What do you mean by critical softwares here?
>
> It's hard to imagine a day without YouTube and Linux flash plugin
> crashes on 64bit linux because of that wrapper.
>
> Even some Wine applications are bit instable or unsupported on linux.
>
> > I have installed 32bit Gusty final release. I will try 64bit live cd
> > and see whether my wireless card is detected or not.
>
> Try to invoke the wizard for installing bcm43xx driver wizard from
> terminal and install the driver. I'm sure that it will work even on
> 32bit. As I said the only problem is it can detect the speed and looses
> signal strength at very near range than windows env. I don't exactly
> remember the application name. I will let you soon.
>
> Regards
> Vijay
>
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> ------------------------------
>
> Message: 6
> Date: Tue, 8 Jan 2008 17:09:55 +0530
> From: "Debarshi 'Rishi' Ray" <address@hidden>
> Subject: Re: [Glug-nith-discuss] Gusty Gibbon wireless problem
> To: "Principal GLUG-NITH mailing list for general purpose
> discussions." <address@hidden>
> Message-ID:
> <address@hidden>
> Content-Type: text/plain; charset=ISO-8859-1
>
> > It's hard to imagine a day without YouTube and Linux flash plugin
> > crashes on 64bit linux because of that wrapper.
>
> There are a few programs (or scripts) that allow you to download
> YouTube videos. eg., youtube-dl. Download the videos and use MPlayer
> or Totem to see them offline.
>
> Cheers,
> Debarshi
>
> ------------------------------
>
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> End of Glug-nith-discuss Digest, Vol 13, Issue 6
> ************************************************
Dr.Y.D.Sharma
Assistant Professor
Department of Applied Sciences & Humanities,
NIT Hamirpur(HP)-INDIA.
Ph. +911972254126(o)
+911972254126(R)
+919418153838(M)
Fax:+911972223834
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