Civil Engineering MCQAE Level Civil Engineering
The area by trapezoidal rule uses offsets with weights:
SurveyingSurveyingHARD
Choose the correct answer
A
1, 2, 2, ..., 2, 1
B
all zero except middle
C
1, 3, 3, ..., 1
D
1, 4, 2, ..., 4, 1
Correct Answer
A. 1, 2, 2, ..., 2, 1
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Trapezoidal rule gives area = d[(first + last)/2 + sum of intermediate ordinates], equivalent weights 1,2,...,2,1 after multiplying by d/2.
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