Tanh - sinh quadrature is less efficient than Gaussian quadrature for smooth integrands .
Unlike Gaussian quadrature tends to work equally well with integrands having singularities or infinite derivatives at one or both endpoints of the integration interval .
Tanh - sinh quadrature is less efficient than Gaussian quadrature for smooth integrands , but unlike Gaussian quadrature tends to work equally well with integrands having singularities or infinite derivatives at one or both endpoints of the integration interval .