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%% Evaluate Double Integral % Integrate % % $$y \sin(x) + x \cos(y)$$ % % over $-\pi \le x \le 2 \pi$ and $0 \le y \le \pi$. fun = @(x,y) y.*sin(x)+x.*cos(y); Q = quad2d(fun,pi,2*pi,0,pi) %% % Compare the result to the true value of the integral, $-\pi^2$. -pi^2