1) For the function f(x)=10-0.1x² +1.6x² – 4.8x on 0

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Trapezoid Rule: For n sub-intervals over a<x<b, Ar = (b-a)/n , and the sub-interval endpoints
Ax
a = x, Xj.X, 1 X, =b, the Area =(f(x,) + 2f(x,)+2f(x,)+...+2f(x,1)+ f(x,))
2
1) For the function f(x)=10–0.1x² +1.6x² – 4.8x on 0<xs10 and n=5:
Begin by calculating Ar and creating a list of a = x,,X,..,xp1,X, =b
a) Find R,, the Area estimate from 5 Rectangles and Right endpoints.
b) Find Ls , the Area estimate from 5 Rectangles and Left endpoints.
c) Find T,, the Area estimate using Trapezoid Rule.
430
= 143.33(rounded) by finding the Absolute Error,
3
Compare your answers to the actual area of
|Actual – Estimate|
Transcribed Image Text:Trapezoid Rule: For n sub-intervals over a<x<b, Ar = (b-a)/n , and the sub-interval endpoints Ax a = x, Xj.X, 1 X, =b, the Area =(f(x,) + 2f(x,)+2f(x,)+...+2f(x,1)+ f(x,)) 2 1) For the function f(x)=10–0.1x² +1.6x² – 4.8x on 0<xs10 and n=5: Begin by calculating Ar and creating a list of a = x,,X,..,xp1,X, =b a) Find R,, the Area estimate from 5 Rectangles and Right endpoints. b) Find Ls , the Area estimate from 5 Rectangles and Left endpoints. c) Find T,, the Area estimate using Trapezoid Rule. 430 = 143.33(rounded) by finding the Absolute Error, 3 Compare your answers to the actual area of |Actual – Estimate|
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