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Question: Numerical Integral by trapizidal rule

Question:Numerical Integral by trapizidal rule

amrramadaneg 76 Maple 18
integration plotting line-integral
September 24 2014
0

Hello.

I have a line integral and i want to calculate and graph this line integral.

The line integral comes from a physical problem, the integrand is good in the interval [0, 2*Pi] and the value of the integrand at zero = the value of the integrand at 2*Pi.

The problem is when i use the trapizidal rule to calculate the line integral.

The results is so bad, i.e.  the value of the line integral at zero not equal to the value of the line integral at 2* Pi.

where is the problem.

Any one could help me.
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