A modernization of NCAR's SPHEREPACK3.2. The original work, written in fixed-from FORTRAN 77, was heavily refactored to incorporate features of free-form modern Fortran (2008+). Dynamic memory ...
Master vector derivatives in polar coordinates with this clear physics tutorial! Learn step-by-step how to compute derivatives, understand radial and angular components, and apply them to mechanics ...
Abstract: This article proposes an inverse design method based on numerical Green’s function (NGF-IDM) to achieve the intelligent and efficient design of waveguide devices. Inspired by the metal ...
How does spread betting work? When spread betting on the financial markets, you don't buy or sell the underlying instrument (for example, a physical share or raw material). Instead, you place a bet on ...