Abstract: Much research has been devoted to complex-variable optimization problems due to their engineering applications. However, the complex-valued optimization method for solving complex-variable ...

Mitchell Grant is a self-taught investor with over 5 years of experience as a financial trader. He is a financial content strategist and creative content editor. Dr. JeFreda R. Brown is a financial ...

NYT Wordle hints Today, December 5, 2025: Happy Friday! You have made it to the end of the week, and Wordle #1630 is here to test your vocabulary one last time before the weekend. Today's puzzle is ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Amilcar has 10 years of FinTech, blockchain, ...

Anti-social behaviour and teenagers running amok – even challenging the police as well as local residents who just want a peaceful life. Such was the case in the Wigan outpost town of Hindley at the ...

The function keys on your keyboard are the most powerful computer tools that you're not using. We're going to fix that. Almost every computer keyboard has a row of function keys at the top, but it ...

Do you sense something problematic about the word “problematic”? The way it’s used has changed a great deal in recent years, so much that it can now seem a little shifty. The journey that brought us ...

How good is your company at problem solving? Probably quite good, if your managers are like those at the companies I’ve studied. What they struggle with, it turns out, is not solving problems but ...