Date: Jul 16, 2013 2:19 AM
Author: Albert D. Rich
Subject: Re: An independent integration test suite
On Monday, July 15, 2013 9:36:04 AM UTC-10, da...@axiom-developer.org wrote:

> In order to ensure that the answers of the integration differ by no

> more than a constant I've been differencing the expected answer from

> the Axiom answer and then taking the derivative.

>

> One curious pattern is that your answers differ from Axiom's answers

> by non-zero constants. [...]

The first sentence above correctly asserts that it is ok for antiderivatives to differ by a constant. Yet, the second sentence finds it surprising that they do differ. So what is the problem?

Albert