Evaluating a sum from terms generated by the Array function
- To: mathgroup at smc.vnet.net
- Subject: [mg109504] Evaluating a sum from terms generated by the Array function
- From: davef <davidfrick2003 at yahoo.com>
- Date: Sun, 2 May 2010 05:35:23 -0400 (EDT)
I want to evaluate a sum from a series I created using the Array
function.
For example; I specify
Array[((-1)^(# + 1) (x)^#)/# ! &, 3, 1 ]
which gives me the following 3 terms of output:
{x, -(x^2/2), x^3/6}
Can anyone tell if and how I can turn these 3 terms into a sum to be
evaluated?