python - Integration of a function of two variables -

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i have function func(rp,pi) i have values. have values of rp , pi.

i need integrate function within limits of 0 pi

enter image description here

how go using quad scipy solve this? doubt have is, how quad know integral limits pi , not rp?

i tried: 

from scipy.integrate import quad  integral = []  in func:     result,error = quad(lambda func:a,0,pi)     integral.append(result)  integral = np.array(integral)

here func list has values of function. give me values, not sure if right?

here download link file rp,pi,func. first column rp, second column pi , third column func


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