Gauss quadrature and Christoffel function for a Gegenbauer weight function multiplied by an exponential function

<p>Matlab software is provided for generating to any given accuracy <em>n</em>-point Gauss quadrature rules, <em>n</em> ≥ 1, relative to a Gegenbauer weight function multiplied by an exponential function as well as approximations and respective errors for the quadrature weights and for the Christoffel function.</p>