An exponential function is a mathematical function in the form of \( f(x) = a^x \) where \(x\) is an exponent and \(a\) is a constant (also known as the base) and where \( a \in \mathbb{R}^+ \) and \( ...

Exponential and logarithmic functions are mathematical concepts with wide-ranging applications. Exponential functions are commonly used to model phenomena such as population growth, the spread of ...

Journal of Biogeography, Vol. 30, No. 6 (Jun., 2003), pp. 827-835 (9 pages) Aim This paper reviews possible candidate models that may be used in theoretical modelling and empirical studies of ...