code for integral function

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an
an 2014-4-7
回答： Alberto 2014-4-7
∫_r^(r+d)▒(E0 〖(Es) 〗^2 d^2 y^2 dy)/((d+r)^2 d^3 )
how to write code for this function in matlab.please help

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回答（1 个）

Alberto
Alberto 2014-4-7
The common way to do this will be like:
syms r d y;
f= (r^(r+d))*( d^2 * y^2)/( (d+r)^2*d^3 )
F = int(f, y) % Calculate undefinite integral using variable y
G= int(F,x) % and again using x
a=int(F, x, -15, 15) % for definite integration
Good luck :)

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