Summation and Product Notation
This set of notes explains the broadly accepted shorthand notation for sums and products of sequences. Summation Notation It is convenient to use a shorthand notation for sums of sequences. The capital Greek letter \(\Sigma\) “sigma” is used to denote a sum or summation. Its use in mathematical notation for a sequence summation is defined as follows: If \(m\) and \(n\) are integers and \(m \leq n\), the notation; $$\sum_{k=m}^{n} a_{k}$$ ...