Re: Evaluating a series

[Andy Buckle]

On 9 August 2012 13:38, Jordi Gutiérrez Hermoso <address@hidden> wrote:

On 9 August 2012 08:26, Nicholas Jankowski <address@hidden> wrote:
> On Thu, Aug 9, 2012 at 3:22 AM,  <address@hidden> wrote:
>> Please assist me to do this:
>> Evaluate the series
>>
>> 1-1/3+1/5-1/7+1/9-...+1/1001
>>
>

> While there may be more elegant ways to do this, you're basically
> trying to repeat an addition operation of items with changing value.

e.g.

    sum(1./(1:4:1001) - 1./(3:4:1001))

?

- Jordi G. H.

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>sum(1./(1:4:1001) - 1./(3:4:1001))
error: operator -: nonconformant arguments (op1 is 1x251, op2 is 1x250)
error: evaluating argument list element number 1
>sum(1./(1:4:1001)) - sum(1./(3:4:1001))
ans =  0.78590

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/* andy buckle */