Mathematica 9 is now available
Services & Resources / Wolfram Forums / MathGroup Archive
-----

MathGroup Archive 2008

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

Search the Archive

integration frustration

  • To: mathgroup at smc.vnet.net
  • Subject: [mg91893] integration frustration
  • From: Replacedwings <cabaret_voltaire at hotmail.com>
  • Date: Fri, 12 Sep 2008 05:26:08 -0400 (EDT)

Dear All,

I have a question about a particular integral:

 
 i[r]= Integrate[(L-z)(f[Sqrt[z^2+r^2]] -f[z]),{z,0,L}]


Assumptions->f[0]==0, f[r]>0 if r>0.

Is i[r]>=0 for all r?

Any Ideas?

Help!

TIA,

Chris


  • Prev by Date: Importing svg files
  • Next by Date: How can you get the list of all used variables and functions in
  • Previous by thread: Re: Importing svg files
  • Next by thread: Re: integration frustration