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 Author Comment/Response Peter Pein 11/17/12 11:12pm Hi Emilio, it is better to use the function Boole in place of the If-construct in integrals and to keep in mind that xup or yup are not equal to 1: In[1]:= Integrate[ Boole[x >= y]/((1 - xup) (1 - yup)), {x, xup, 1}, {y, yup, 1}, Assumptions -> (xup < 1 || xup > 1)] /. yup -> xup % // Cancel Out[1]= (1 - 2 xup + xup^2)/(2 (-1 + xup)^2) Out[2]= 1/2 Peter URL: ,

 Subject (listing for 'Integrating over regions') Author Date Posted Integrating over regions Emilio 11/17/12 03:52am Re: Integrating over regions Nasser M. Ab... 11/17/12 7:54pm Re: Integrating over regions Peter Pein 11/17/12 11:12pm Re: Integrating over regions yehuda 11/18/12 12:52pm Re: Re: Integrating over regions Emilio 11/18/12 4:46pm
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