
Re: basic question on Rubi 4.2 output from Int[] command
Posted:
Nov 14, 2013 7:04 PM


On Wednesday, November 13, 2013 6:49:15 PM UTC10, Albert Rich wrote:
> Here Rubi is using what I call "piecewise constant extraction" to > simplify the integrand. (If anyone can suggest a better or more > commonly used term for this integration technique, I would appreciate > learning it...)
On Thursday, November 14, 2013 10:11:17 AM UTC10, clicl...@freenet.de wrote:
> PS: I have seen your "piecewise constants" called "differential > constants" by WRI's Daniel Lichtblau, but the former term is much much > more popular according to Google.
I am glad to learn "piecewise constants" is a commonly used term. But what I really want to know is the accepted name for this powerful, but littleknown, integration technique. It should rank up there with "integration by parts" and "integration by substitution"...
Albert

