engpxc

Hi, back in 2007 I contributed a polyder function (and other functions) to FREEMAT. I see now that it has been replaced by a different, possibly more complete, function that, unfortunately is yielding a wrong result. I am posting here again my original contribution in the hope that it will help someone in the future. If the FREEMAT development team wishes, they can use it to correct their own version: % POLYDER POLYDER Polynomial Differentiation % % Usage % % The polyder function returns the polynomial...