Services & Resources / Wolfram Forums
MathGroup Archive
*Archive Index
*Ask about this page
*Print this page
*Give us feedback
*Sign up for the Wolfram Insider

MathGroup Archive 1998

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

Search the Archive

Re[a + I b] = a

how can I tell mathematica that the variable a and b is real, so that
Re[a+ I  b] results to a?
or: n a integer number and Sin[n x] results to 0?

I am using mathematica 2.2

thanxs, markus

  • Prev by Date: Re: Simple algebra problem
  • Next by Date: Re: lists
  • Prev by thread: [Q]Mathematica: Alternative to GrayLevel for photocopies?
  • Next by thread: RE: Re[a + I b] = a