Learn when FILTER beats XLOOKUP, when it does not, and how to handle multiple matches, nth items, and multi-condition lookups with clear steps.
REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...
Learn how DROP, REDUCE, LAMBDA, and STACK make Excel arrays update automatically, split text, and stack filtered results ...
Abstract: Antenna arrays are typically accompanied by perfect electric conductor (PEC) grounds, to improving the computing efficiency, a Domain Green's function method (DGFM) with half-space Green's ...
Abstract: A cylindrically periodic stratified media Green’s functions (CPSMGFs) method is proposed to analyze conformal arrays through one array unit. The CPSMGFs are developed on electric dyadic ...