Re: [sage-support] Re: Application/Use of Sage in IT company or Industries

2012-05-14 Thread David Kirkby
On 14 May 2012 05:23, William Stein wst...@gmail.com wrote:

 * Code is depreciated quite regularly,

 deprecated.   depreciated is a completely different word.

Sorry. An unfortunate error, though I could think of worst words with
a similar spelling!

Dave

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Re: [sage-support] Re: Application/Use of Sage in IT company or Industries

2012-05-13 Thread William Stein
On Sun, May 13, 2012 at 6:51 AM, Dima Pasechnik dimp...@gmail.com wrote:
 On 2012-05-10, Priyanka Kapoor anjalicool.kapoor...@gmail.com wrote:
 I want to ask that what is the use of sage? Why should we use it?
 Where its being used till date?
 These questions might be simple and i want to know before i go deep in
 sage. Please everyone on this mailing list reply that why you use
 sage?
 recently there was a post on sage-devel from Robert Miller (who wrote
 quite a bit of Sage code):
 https://groups.google.com/d/msg/sage-devel/Hz9tagOntyg/CZLpRcF8XAkJ
 soliciting job applications from Sage developers.

 So this is an example of Sage use in industry.

Nowhere in the message does he say that they actually use Sage.The
closest is  We do the math, using a lot of open source Python
software  as well as our own secret sauce. We also make contributions
back to the tools we use, as we understand the importance of open
source.

 Otherwise, indeed, it's hard to answer; e.g. there are numerous scientific
 articles and books written using Sage...

 Whatever i think about sage is that sage is helpful for teaching maths.




 --
 Priyanka Kapoor
 http://kapoorpriyanka.in
 Linux User Group, Ludhiana


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-- 
William Stein
Professor of Mathematics
University of Washington
http://wstein.org

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Re: [sage-support] Re: Application/Use of Sage in IT company or Industries

2012-05-13 Thread Robert Miller
On Sunday, May 13, 2012 5:12:32 AM UTC-7, William wrote:

 On Sun, May 13, 2012 at 6:51 AM, Dima wrote: 
  recently there was a post on sage-devel from Robert Miller (who wrote 
  quite a bit of Sage code): 
  https://groups.google.com/d/msg/sage-devel/Hz9tagOntyg/CZLpRcF8XAkJ 
  soliciting job applications from Sage developers. 
  
  So this is an example of Sage use in industry. 

 Nowhere in the message does he say that they actually use Sage.The 
 closest is  We do the math, using a lot of open source Python 
 software  as well as our own secret sauce. We also make contributions 
 back to the tools we use, as we understand the importance of open 
 source. 


Well spotted! In fact it's probably hard to classify in general. The full 
story: we don't use Sage in production, but we use several of its 
components, including atlas, numpy, scipy, R. I have made extensive use of 
Sage in prototyping things. In fact I've actually ported some of the Python 
2.7 code we have to be compatible with 2.6 so that I can import our 
libraries in a Sage environment.

I think that Sage can be a very hard sell for sysadmin/ops type people in 
industry, because it is a very big install and the latest versions aren't 
available through debian or things like pip or easy_install. Although we 
here all realize that Sage Just Works, when someone in that sort of role 
looks at Sage as a project that might need to be installed on their 
production servers, they easily bristle. That's what happened at my job, so 
instead we are installing the pieces that we need individually (and again 
Sage was a big help as we consulted it a few times to fix 
compilation/linking issues that had already been solved in the Sage distro).

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Re: [sage-support] Re: Application/Use of Sage in IT company or Industries

2012-05-13 Thread Dr. David Kirkby

On 05/13/12 06:36 PM, Robert Miller wrote:


I think that Sage can be a very hard sell for sysadmin/ops type people in
industry, because it is a very big install


Sage is similar in size to Mathematica, and probably MATLAB and Maple too. The 
binary installations for all of these packages are 100's of MB.



and the latest versions aren't
available through debian or things like pip or easy_install.


That is more likely to be an issue.


Although we
here all realize that Sage Just Works, when someone in that sort of role
looks at Sage as a project that might need to be installed on their
production servers, they easily bristle.


Production servers and Sage will never mix in the eyes of a competent system 
admin who values his/her job.



For me at least, it is hard to justify using Sage for commercial purposes. There 
are several reasons


* You can't buy a commercial support contract. So any support issues must be on 
a public forum. (Compare this to Apache and Wireshark, which are two open-source 
tools used a lot commercially).


* It's not a native Windows application. (Personally I'm not fan of Windows, but 
not everyone shares my views.)


* Code is depreciated quite regularly, so if I write something today, there's a 
reasonable probability it wont work for someone else in two years time with a 
different version of Sage.


* There's a fairly high probability that on Linux at least, a later version of 
Linux wont run an earlier version of Sage.


* I don't feel the software is tested enough.

* It does not have the pedigree of packages like MATLAB.

Dave

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Re: [sage-support] Re: Application/Use of Sage in IT company or Industries

2012-05-13 Thread William Stein
On Mon, May 14, 2012 at 12:05 AM, Dr. David Kirkby
david.kir...@onetel.net wrote:
 On 05/13/12 06:36 PM, Robert Miller wrote:

 I think that Sage can be a very hard sell for sysadmin/ops type people in
 industry, because it is a very big install


 Sage is similar in size to Mathematica, and probably MATLAB and Maple too.
 The binary installations for all of these packages are 100's of MB.


 and the latest versions aren't
 available through debian or things like pip or easy_install.


 That is more likely to be an issue.


 Although we
 here all realize that Sage Just Works, when someone in that sort of role
 looks at Sage as a project that might need to be installed on their
 production servers, they easily bristle.


 Production servers and Sage will never mix in the eyes of a competent system
 admin who values his/her job.


 For me at least, it is hard to justify using Sage for commercial purposes.
 There are several reasons

 * You can't buy a commercial support contract. So any support issues must be
 on a public forum. (Compare this to Apache and Wireshark, which are two
 open-source tools used a lot commercially).

 * It's not a native Windows application. (Personally I'm not fan of Windows,
 but not everyone shares my views.)

 * Code is depreciated quite regularly,

deprecated.   depreciated is a completely different word.

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