How-To Geek on MSN

How to do math in Excel without formulas

The fix for the disposable formula habit in Excel is already on your screen. At the very bottom of your Excel window is a ...
Kenji Explains on MSN

Simplify any Excel formula with LAMBDA

Learn how to use the LAMBDA function in Excel to simplify complex formulas by creating custom functions for recurring ...
IEEE

Memory-Efficient Frequency-Domain Least-Squares RTM Using Low-Rank Green’s Functions via Stochastic SVD Algorithms

Abstract: Frequency-domain least-squares reverse time migration (FLSRTM) is capable of producing a high-resolution reflectivity model, provided that Green’s functions can be stored in memory. Green’s ...
IEEE

A 200–325-GHz Wideband Terahertz Frequency Tripler Using Waveguide Wedge Iris Match

Abstract: This letter reports a Schottky-based wideband 200–325-GHz terahertz (THz) frequency tripler adopting a waveguide wedge iris (WWI) match instead of a conventional reduced-height waveguide ...