NASA’s Kepler mission has discovered a world where two suns set over the horizon instead of just one. The planet, called Kepler-16b, is the most “Tatooine-like” planet yet found in our galaxy.” While catching up on my reading, this article from NASA’s …
Tag: numeric precision
SAS Algorithmically(1): Newton-Raphson method
A good reference for the basic algorithms of Newton-Raphson method to calculate the square root of a number, see
http://mathforum.org/library/drmath/view/52644.html
And the SAS codes(self-explanatory):
data root; /*question: find the square root of 4*/ x=4;
/*first choose a rough approximation of […]