Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician ...

Abstract: A platform-based, electrically small antenna (ESA) operating in the high-frequency (HF) band with switchable directional radiation patterns in the azimuth plane is presented. The antenna is ...

Abstract: In many pattern classification applications of artificial neural networks, the objects to be classified are represented by fixed sized 2-dimensional (or 1-dimensional) arrays of which the ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...