If you need to find a particular value in an Excel sheet, the quickest way is to use a lookup formula. The most popular functions to use in these formulas are VLOOKUP and HLOOKUP, which search across ...

Excel doesn’t have a direct equivalent. To achieve the same result, you’d either have to piece together complex formulas with functions like SEARCH or write custom VBA scripts. While those approaches ...

In 2017, Susan Minor, a skilled pianist and member of the Music Teachers Association of California, gathered an exceptional group of teachers and launched Slice of Life, an enrichment school aiming to ...

Abstract: In this article, the problem of robust sparse beamforming (RSB) design for a receive array is presented, based on minimax and maximin signal-to-interference-plus-noise ratio (SINR) ...

Abstract: The capacity of multiple-input-multiple-output (MIMO) systems has long been constrained by the aperture’s limitations on degree of freedom (DOF). Inspired by transformation optics, this ...