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
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