How-To Geek on MSN

How to use the MAP function in Microsoft Excel

Row precision vs. Aggregation errors: MAP is the best way to use "greedy" functions like AND or OR in a single, dynamic ...
How-To Geek on MSN

Excel's UNIQUE function can't skip columns—unless you use this trick

Nest CHOOSECOLS inside UNIQUE to extract non-adjacent columns, and use INDIRECT for interactive header dropdowns.

Learn What GROUPBY Can Really Do in Excel : From Smart Sorting to Percent of Totals

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.
IEEE

Near-Field Array Shaped Multifocus Power Distribution With Dynamic Range Ratio Constraints Using Convex Optimization

Abstract: This letter addresses precise control of multifocus (MF) power distribution problems in near-field focusing (NFF) planar arrays based on convex optimization. First, a single focal point (FP) ...