Math, Mathematics, Numerical Analysis, Science.
so a=pcd/b. Note that we cannot pick c=0 because then we’d have a=0 and the iteration from equation (1) would become which is useless. Thus, we can arbitrarily set c=1/p and then a=d/b. Let’s go back to equation (2); discarding the ND terms (which we already dealt with) and noting from the left