“Do you see the pattern? Each number in the series after the first two numbers is the sum of the preceding two numbers.” That’s how I began my last column focusing on the Fibonacci sequence, which ...

Global optimisation of sum of ratios problems represents a formidable challenge in contemporary applied mathematics and operations research. Such problems involve objective functions that are ...

Financial ratios are used almost universally by companies of all sizes to provide numerical information on the profitability, health and direction of the business. Financial ratios provide useful ...