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Best example to illustrate the difference between Summation & Integration? When to use Summation and When to use Integration?

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closed as not a real question by Did, Asaf Karagila, Micah, martini, Noah Snyder Dec 10 '12 at 11:57

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What is the difference? –  copper.hat Sep 13 '12 at 16:52
Can you explain why they look similar to you? It's difficult to guess. –  rschwieb Sep 13 '12 at 16:54
You can replace summation with integration using a suitable measure. :) –  Hagen von Eitzen Sep 13 '12 at 16:55
Summation is integration with the counting measure. And integration (at least the most popular methods) is just the limit of sums... –  copper.hat Sep 13 '12 at 16:56
Your question is too vague. Can you give an example of a situation in which you cannot choose between summation and integration? –  copper.hat Sep 13 '12 at 17:15

1 Answer 1

up vote 0 down vote accepted

Here's a nice explanation:


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Answers should be more than simply a link. –  robjohn Oct 3 '12 at 7:06
@Jay Thank You Very Much, even I made a similar observation in my comment –  Ranjan Yajurvedi Oct 4 '12 at 18:21

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