mathjs/docs/reference/functions/mean.md

Function mean

Compute the mean value of matrix or a list with values. In case of a multi dimensional array, the mean of the flattened array will be calculated. When dim is provided, the maximum over the selected dimension will be calculated. Parameter dim is zero-based.

Syntax

math.mean(a, b, c, ...)
math.mean(A)
math.mean(A, dim)

Parameters

Parameter	Type	Description
args	... *	A single matrix or or multiple scalar values

Returns

Type	Description

• | The mean of all values

Examples

math.mean(2, 1, 4, 3)                     // returns 2.5
math.mean([1, 2.7, 3.2, 4])               // returns 2.725

math.mean([[2, 5], [6, 3], [1, 7]], 0)    // returns [3, 5]
math.mean([[2, 5], [6, 3], [1, 7]], 1)    // returns [3.5, 4.5, 4]

See also

median, min, max, sum, prod, std, variance