to find n in trapezoidal rule

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jakv on 4 Dec 2013

i have a function f and trapezoidal code

syntax 
function Integral = trap (function, a, b, n)

the function is complex form and i want to find "n" that the result of area below of the function with the limit a to b has a maximum error.

can anybody help me ? what the methods or code that i can be used to solve my problems?

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