Date: May 17, 2013 4:34 AM
Author: Dr. Peter Klamser
Subject: Re: Work on Basic Mathematica Stephen!
.... thank you for the response.
Every WRI employee writes this since years, but "fuzz" stays "fuzz"
and "fuzz" is not essential.
2013/5/16 Murray Eisenberg <email@example.com>:
> If I understand this proposal aa), then I completely disagree. It is *essential* to have the ability to use a function Chop that, e.g., does the following:
> Chop[4. + 10.^-16 I]
> The reason is that even when one starts with strictly real functions, it is often the case that Mathematica uses complex-function methods and, due to roundoff, returns results with some pure imaginary "fuzz".
> On May 16, 2013, at 3:28 AM, Peter Klamser <firstname.lastname@example.org> wrote:
>> . .. A) First proposal: Identify useless or false constructions in Mathematica
>> aa) Eliminating Chop for complex numbers. Complex numbers are
>> oderless and therefore nobody call estimate, weather the distance of 1
>> + 10^-google i to the real numbers is small or big. Chop is the
>> result of Mathematica design, that it presents often complex results, where
>> real values are the simpler result and can be reached by
>> The simplest solution is always the best solution.
> Murray Eisenberg email@example.com
> Mathematics & Statistics Dept.
> Lederle Graduate Research Tower phone 413 549-1020 (H)
> University of Massachusetts 413 545-2838 (W)
> 710 North Pleasant Street fax 413 545-1801
> Amherst, MA 01003-9305