Question: Write a user defined code in VBA for Simpson's 3/8 rule Simpson's 3/8 rule is obtained by integrating a 3rd degree Lagrange interpolating polynomial from
Write a user defined code in VBA for Simpson's 3/8 rule

Simpson's 3/8 rule is obtained by integrating a 3rd degree Lagrange interpolating polynomial from xo to X3. Research the expression for the composite Simpson's 3/8 rule and develop user defined function for implementing it in Excel. Note that for Simpson's 3/8 rule the number of panels must be divisible by 3, since 4 function evaluations are required to define the cubic polynomial used in the integration
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