# Function sum Compute the sum of a matrix or a list with values. In case of a (multi dimensional) array or matrix, the sum of all elements will be calculated. ## Syntax ```js math.sum(a, b, c, ...) math.sum(A) ``` ### Parameters Parameter | Type | Description --------- | ---- | ----------- `args` | ... * | A single matrix or or multiple scalar values ### Returns Type | Description ---- | ----------- * | The sum of all values ### Throws Type | Description ---- | ----------- ## Examples ```js math.sum(2, 1, 4, 3) // returns 10 math.sum([2, 1, 4, 3]) // returns 10 math.sum([[2, 5], [4, 3], [1, 7]]) // returns 22 ``` ## See also [mean](mean.md), [median](median.md), [min](min.md), [max](max.md), [prod](prod.md), [std](std.md), [variance](variance.md), [cumsum](cumsum.md)