My Math Forum Simpsons rule,Trapezoidal rule,check please

 Algebra Pre-Algebra and Basic Algebra Math Forum

February 16th, 2010, 06:11 AM   #1
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Joined: May 2009

Posts: 90
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Hi,

I have used...

simpsons rule and got = 14397.5m2

Trapezoidal rule and got = 14556.25m2

Thanks...[attachment=0:eehytgwu]01-02-2010 12-47-24_0064.jpg[/attachment:eehytgwu]
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 February 16th, 2010, 06:22 AM #2 Senior Member   Joined: Aug 2008 From: Blacksburg VA USA Posts: 338 Thanks: 4 Math Focus: primes of course Re: Simpsons rule,Trapezoidal rule,check please your Simpson's checks, so it looks good
 February 16th, 2010, 06:49 AM #3 Member   Joined: May 2009 Posts: 90 Thanks: 0 Re: Simpsons rule,Trapezoidal rule,check please Thanks, is there usually this much of a discrepancy between simpsons and trapezoidal? Mark
 February 17th, 2010, 09:23 AM #4 Senior Member   Joined: Aug 2008 From: Blacksburg VA USA Posts: 338 Thanks: 4 Math Focus: primes of course Re: Simpsons rule,Trapezoidal rule,check please yeah, depending on the interval size, can see error as merely using a straight line for a curve. See this link for discussion of the "corrected" T.R., which really helps at least in the example (see Chap 5, sect 5.2 examples) [url]http://www.cs.uiowa.edu/~atkinson/ena_master.html/url].

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