Quadratic programming with equality constraint (QPEC) problems have extensive applicability in many industries as a versatile nonlinear programming modeling tool. However, noise interference is ...

This paper proposes a novel non-iterative method to solve power system differential algebraic equations (DAEs) using the differential transformation, which is a mathematical tool able to obtain power ...

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A new mathematical brain teaser asks people to make the equation true by moving two matchsticks in under 10 seconds. The puzzle will determine if you are in the top two percent.

Archimedes was known for his brilliance—are you as sharp with an IQ above 203? Try cracking the value of the last equation in this puzzle. It’s designed to test observation, logic, and problem ...

A mathematician at Carnegie Mellon University has developed an easier way to solve quadratic equations. Here's the secret.

The Clean-Energy Equation No One Can Solve Yet© Illustration by Ben Kothe / The Atlantic. Source: patstock / Getty.