Is it possible to impose a condition on an iterator of the summation ?
- To: mathgroup at smc.vnet.net
- Subject: [mg101499] Is it possible to impose a condition on an iterator of the summation ?
- From: Mauro <mauro at NONOyahoo.com>
- Date: Thu, 9 Jul 2009 01:52:49 -0400 (EDT)
I would like to perform a summation of this type,
Sum[a^2 - 3 a/(4 a^2), {a, 1, 20}]
excluding however some values of the iteratore, I would for instance
like to exclude the values than to greater of 6 and inferior to 12. Is
it possible?
Thanks
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