th integrand <span class="MathJax_Preview"><img src="help_cubBayesNet_g_eq13377883513619493145.png" alt="$f({x}) = \exp\left(\sum_{i=1}^2cos(2\pi x_i)\right)$"></span><script type="math/tex">f({x}) = \exp\left(\sum_{i=1}^2cos(2\pi x_i)\right)</script> over the interval <span class="MathJax_Preview"><img src="help_cubBayesNet_g_eq01259287712589338854.png" alt="$[0,1]^2$"></span><script type="math/tex">[0,1]^2</script> with parameters: order=2, abstol=0.001, relTol=0.01</p><pre class="codeinput">fun = @(x) ex