Integral2 Not A Number

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Tommaso Attili 2019-1-31

Dear all I have to solve this integrala, but it gives Nan. Any suggestions?

a=5

d=50

r=25

B=@(x,y)(besselj(0,x.*y.*a/d)).*((1-y.^2).^0.5).*y.*besselj(0,x*r/d).*((x.*tanh(x)).^0.5).*sin((((9.81/d*10)^2).*x).*tanh(x)).^0.5).*x;

E=integral2(B,0,inf,0,1,'Method','iterated')

Thanks!

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