Simpson's rule

  • Thread starter pari786
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  • #1
pari786
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why do we use n as even number with simpson's rule ?

:surprised
 

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  • #2
berkeman
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Thread moved to calculus homework. pari786 -- tell us what you know about Simpson's rule.
 
  • #3
HallsofIvy
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Simpson's rule approximates the curve by a series of parabolas each of which requires 3 points. Using one parabola would mean 3 points dividing the entire interval into 2 sub-intervals. Using 2 parabolas would mean 5 points they share one point), so 4 sub-intervals, etc.
 

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