Question about error theorem for simpsons rule

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The forum discussion centers on the error theorem for Simpson's Rule, specifically the formula E=|I-Sn|>= (k4 (b-a)^2 )/ (180 n^4). The integral, denoted as I, represents the exact value of the integral being approximated, while Sn refers to the approximation using n subintervals. The conversation clarifies that understanding the parameters is crucial for applying Simpson's Rule effectively.

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badtwistoffate
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it is:
E=|I-Sn|>= (k4 (b-a)^2 )/ (180 n^4)

I know what all of the parameters mean except I, what is it again? It can't be the integral as that's why were using simpsons rule so is it a guess or?:blushing:
 
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It is, in fact, the integral. Just because you don't know what it is doesn't mean you can't write an equation about it. S_n is the "n" guess.

Carl
 

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