My Math Forum  

Go Back   My Math Forum > College Math Forum > Real Analysis

Real Analysis Real Analysis Math Forum


Reply
 
LinkBack Thread Tools Display Modes
December 29th, 2013, 07:14 AM   #1
Newbie
 
Joined: Dec 2013

Posts: 12
Thanks: 0

summing a finite exponential series

Hi,

I'm doing an assignment where I have to approximate the area under a curve by splitting it into rectangles. I'm almost there but I need to evaluate the following in order to get the answer:

?e^(-i^2/200) for i = 1 to 10

I've tried writing it out as e^(-1/2) + e(-4/2) + ... + e^(-100/2) but I don't know where to go from there (if that's even helpful at all).

Can anyone help?

Thanks
UncleFester is offline  
 
December 29th, 2013, 05:33 PM   #2
Global Moderator
 
Joined: May 2007

Posts: 6,402
Thanks: 547

Re: summing a finite exponential series

There is no formula for the sum. Just calculate each term and add them up.
mathman is offline  
December 30th, 2013, 06:03 AM   #3
Newbie
 
Joined: Dec 2013

Posts: 12
Thanks: 0

Re: summing a finite exponential series

oh, ok thanks
UncleFester is offline  
Reply

  My Math Forum > College Math Forum > Real Analysis

Tags
exponential, finite, series, summing



Search tags for this page
Click on a term to search for related topics.
Thread Tools
Display Modes


Similar Threads
Thread Thread Starter Forum Replies Last Post
Summing Divergent Series mathbalarka Number Theory 16 November 24th, 2013 09:01 AM
Finite Series Expansion JSH Algebra 1 July 11th, 2013 03:53 PM
Finite Series Expansion JSH Advanced Statistics 0 July 11th, 2013 12:27 AM
Finite series formula tahrabd Real Analysis 2 June 16th, 2012 08:46 AM
Infinite/Finite Series inquiry thebroker Number Theory 8 October 19th, 2011 06:29 AM





Copyright © 2017 My Math Forum. All rights reserved.