The Sum Squares function, also referred to as the Axis Parallel Hyper-Ellipsoid function, has no local minimum except the global one. It is continuous, convex and unimodal. It is shown here in its two ...

It's easy to add a set of numbers together - every spreadsheet user knows how to use the tried-and-true SUM function to find a total. But what if the sum you're trying to find depends on some sort ...

We show you how to copy a formula in Excel without changing cell references, using mixed references and simple techniques to ...

Right-hand Riemann sum, Midpoint Rule, Trapezoid Rule, and Simpson's Rule. Modify and evaluate the SageMath code as you wish. Each function takes as input a function \(f\), an interval \([a,b]\), and ...

If you’re looking for love, a reality check could serve you well. Here are three things to consider, based on psychological ...

A simple maths puzzle has been leaving people stumped as they can't agree on the correct answer - can you work it out?

In the world of leadership, inspiration can come from a variety of sources, and quotes from notable figures often provide the ...

The way we define a zero-sum culture is that one person’s promotion blocks another person’s chance at a promotion, which can ...

Can you understand how it can be that the Federal Reserve, the world’s greatest and by far most important central bank, has ...

Monty Python might be one of Britain’s most beloved comedy acts, but, over the past few years, it has become as renowned for ...

Here on Earth, it might not matter if your wristwatch runs a few seconds slow. But crucial spacecraft functions need accuracy ...