Scientific notation is a method of expressing large or small numbers in a more manageable form. This practical system involves writing numbers using exponents, making calculations much more ...

Summation, also known as sigma notation, is a mathematical concept used to represent the addition of a sequence of numbers or terms. It is widely employed in various fields such as mathematics, ...

Abstract: This paper studies how to apply summation laws of harmonic proposed by IEC 61000-3-6 to electrified railway harmonic. It is be proved in this paper that the summation exponents in IEC ...