Sum

Description

Calculates a sum of arrays or matrices.

Inputs

1. Array or matrix \(a_1\).

2. Array or matrix \(a_2\).

14. Array or matrix \(a_N\).

The inputs are passed via add() method.

All the inputs have to be of the same dimension.

Outputs

1. 'sum.sum' — the sum \(S\).

Implementation

Computes a sum \(S\):

\[S = \sum\limits_{k=1}^N a_k.\]