rectform rescue of principal value



On Nov. 3, 2010,   Richard Fateman  wrote:


>>
>> Here is a record of the new definitions
>> the calc. of the 'true value' and the
>> symbolic calculation's reduction
>> to floats as a check of correctness.
>>

>Have you read the articles on this topic that appeared in the SIGSAM 
>Bulletin,
>previously referenced? 

  no. I clicked on all the links and they wanted dollars to
see text.

>  There is also an MS thesis at UC Berkeley on
>  branch cuts and computer algebra systems.

   how easy is it to see this?


> Are you able to convince yourself that you have
> (a) a complete specification of the problem you are trying to solve

    no.

> and
> (b) a solution?

   no.

> It is hard to tell from a single example.
  
   Agreed. If all one needs is one data
point, one can prove a lot of nonsense.

  As a physicist, not a computer scientist or
programming science expert, I am hoping my "data point"
will stimulate those on the mailing list more qualified
than I to pursue these issues.

Ted




RJF