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July 2011

SCIENTIFIC-LINUX-USERS@LISTSERV.FNAL.GOV

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From:
Timmy Siu <[log in to unmask]>
Reply To:
Timmy Siu <[log in to unmask]>
Date:
Sun, 3 Jul 2011 12:38:14 +0800
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Hi Friends,
How do you rate Maxima and SciLab?  Both are open source. :-\

Faithfully,
Timmy


> Advice to math users -
> Develope a hand calculated test case to check the accuracy of the SW.   This
> should be something like what you want to calculate.
> A few years ago a SW company tried to sell the Engineers at GE Engine Control
> Systems a do it all package.   In front of the audience and Developers I put
> up a test case with a trivial answer that was known as a truth.   It failed
> miserably due to errors in the input translation from the GUI to the real
> calculations.
> So before you use a Math Package build a test case - all you need is bad
> answers to waste time, money or destroy machinery.
>
> Sign on my wall - "To error is human it takes a computer to really foul things
> up". !
>
> I'm not being picky but just be careful in applying it.
>
> Try "R" for fun and games.
> How about a fast Fourier transform to convert time domain stuff to frequency
> domain.   Helps exercise the neurons.
>
> Larry Linder
> On Friday 01 July 2011 11:50 am, Alain Péan wrote:
>> Le 01/07/2011 17:16, Timmy Siu a écrit :
>>> Dear All SL User:
>>> I found this mathematics software.  It is very big in size (about 1GB
>>> after extraction).  It doesn't have any GUI.  It only comes in Linux
>>> binary, no windows binary.
>>>
>>> Can anyone give some hint to using it and what task can it compute?? :-(
>>>
>>> http://www.sagemath.org/index.html
>> Hi Timmy,
>>
>> If I remember correctly, Sage has indeed a GUI, but through a web
>> interface. See :
>> http://www.sagemath.org/tour-graphics.html
>>
>> It is in fact a Python software mixing a lot of scientific tools (Numpy,
>> scipy, Matplotlib and so on...). It has indeed a windows version (why
>> not, it is Python, and web interface ?), and also for mac osx, solaris...
>> http://www.sagemath.org/download-windows.html
>>
>> Alain

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