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From: dbuck@superior.carleton.ca (Dave Buck)
Subject: Re: Need eigenvalues and eigenvectors
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References: <NEWTNews.2708.820632234.matcog@matcog.matcog.ip.portal.com> <4cfjd2$7ej@sam.inforamp.net>
Date: Thu, 4 Jan 1996 06:00:18 GMT
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In article <4cfjd2$7ej@sam.inforamp.net>,
William Hollings <hollings@inforamp.net> wrote:
>In article <NEWTNews.2708.820632234.matcog@matcog.matcog.ip.portal.com>, matcog@ip.portal.com says:
>>
>>
>>I am writing smalltalk applications with IBM-smalltalk for OS2, v. 3.0
>>and need classes for calculating eigenvalues and eigenvectors from 
>>small 5x5 matrices. 
>>   Does anyone know of such classes ? 

>There is a mathmatical class hierarchy for Digitalk's VSE, which 
>covers an amazing range of functionality, including matricies. I believe
>that the company is G-SOFT (...someone help me here please if I am 
>remembering incorrectly...). You could give them a call and see if/when
>they have an IBM version. I believe that the Smalltalk Store also carries
>the product.
>
>If my (failing) memory is accurate, I think Alan Knight did a review of
>G-SOFT's product in one of last year's Smalltalk Report magazines and
>he too was quite impressed.

You're close.  I was the one who did the review.  The product is
MathPack by G-Soft. 

David Buck
dbuck@ccs.carleton.ca

_________________________________
| David K. Buck                 |
| dbuck@ccs.carleton.ca         |
| The Object People             |
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