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Re: Forcing numbers to be real.
David, Possiblies: The standard package Algebra`ReIM` Using the option Assumptions in functions like Integrate Adding assumption in functions like Simplify, FullSimplify The standard package Miscellaneous`RealOnly` Documentation is provided in the HelpBrowser -- Allan --------------------- Allan Hayes Mathematica Training and Consulting Leicester UK www.haystack.demon.co.uk hay at haystack.demon.co.uk Voice: +44 (0)116 271 4198 Fax: +44 (0)870 164 0565 "David Kirkby" <REMOOVE_THIS_drkirkby at AND_THIS_ntlworld.com> wrote in message news:9eporm$1sc at smc.vnet.net... > Hi, > I've not used Mathematica much, but I know there is a way documented of > forcing Mathematica to consider a number to be real, so having an > imaginary part of 0. Can anyone tell me how to do it - I can't seem to > find it in the docs, although I know it is there somewhere. > > -- > Dr. David Kirkby Ph.D, > email: REMOOVE_THIS_drkirkby at AND_THIS_ntlworld.com > former email address: davek at DELLETE_THIS_medphys.ucl.ac.uk > web page: http://www.david-kirkby.co.uk > Amateur radio callsign: G8WRB >