Abstract: Empirical formulas are proposed for the superdirectivities of broadside linear and square arrays. The formulas are derived based on a large amount of numerical results of optimum directivity ...

This video explores one of Leonhard Euler’s most elegant ideas, showing how factorials can be used to connect π, square roots, and one-half in a surprising and beautiful way. Through clear ...

IISc physicists discovered that Ramanujan’s classic π-formulas arise naturally in modern theories describing critical phenomena and black holes. The connection suggests his early mathematics may have ...

I used to play formula roulette every time I dragged the fill handle, hoping Excel wouldn't misinterpret my intentions. Was I supposed to lock the column, the row, or both? Then, the dollar signs ...

Wrapping awkwardly shaped Christmas presents is always a headache, but here's the formula for perfect gift wrap. You've carefully chosen the presents. You have scissors, tape and even some rolls of ...

姜圣在2024阿赛初赛中获得12名的好成绩，这需要归功于她独创的一套数学体系——姜氏数学。 该套数学体系十分完备 ...