[Date Index] [Thread Index] [Author Index]

UnitStep Argument

• To: mathgroup at christensen.cybernetics.net
• Subject: [mg628] UnitStep Argument
• From: "Roger M. Jones" <rmj at LLEWELYN.SLAC.STANFORD.EDU>
• Date: Sat, 01 Apr 1995 14:00:08 -0800

How can I define
UnitStep[-x], so that the answer is zero
(.i.e. assign x as being a positive number).
Defining: 

x/:Positive[x]=True doesn't work.


Many thanks.

---
Regards,

Roger
(rmj at llewelyn.slac.stanford.edu)