implementing a numerical scheme

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R yan 2014-7-15

I am trying to implement a numerical scheme(pdf attached). Is it a correct implementation? Please suggest if it can be speed up by any means??

 kernel=@(t,x)((1+t.*x).*t.^2./(1-t.*x).^3);
for i=1:1:N
    for j=1:1:N
        a(i,j)= integral2(kernel,(j-1)/N,j/N,(i-1)/N,i/N);
    end
end

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