This is a preview. Log in through your library . Abstract Let f be a positive real-valued function defined on an interval I ⊆ R. The function f is said to be log-convex if logf is convex on I. In this ...

where matrix is a numeric matrix or literal. The LOG function is the scalar function that takes the natural logarithm of each element of the argument matrix. An example of a valid statement is shown ...

In Microsoft Excel, a function is a predefined formula that makes calculations using specific values called arguments in a specific order or Structure. In this tutorial, we will explain how to use the ...

This is a preview. Log in through your library . Journal Information This monthly journal, begun in 1950, is devoted entirely to research in pure and applied mathematics, principally to the ...

Matrix functions, such as the exponential, square root and cosine, play an indispensable role in various fields including quantum mechanics, control theory and numerical solution of differential ...

Matrix inequalities and convex functions constitute a central theme in modern mathematical analysis, with far‐reaching implications across numerical analysis, optimisation, quantum information, and ...