An apparently easy-looking math problem has left internet users scratching their heads. Give it a try to see if you can ...

Abstract: Communication has become a lot easier in this era of technology, development of high-speed computer networks, and the inexpensive uses of Internet. Therefore, data transmission has become ...

Abstract: The conjugate-gradient method (CGM) is a traditional approach to solve the inverse scattering problem (ISP). This method requires the solution of both the forward problem and the calculation ...

Although macromolecular substitution was one of the earliest techniques used for changing the properties of biopolymers, most synthetic macromolecules are now produced by methods that require the side ...