# Function mad Compute the median absolute deviation of a matrix or a list with values. The median absolute deviation is defined as the median of the absolute deviations from the median. ## Syntax ```js math.mad(a, b, c, ...) math.mad(A) ``` ### Parameters Parameter | Type | Description --------- | ---- | ----------- `array` | Array | Matrix | A single matrix or multiple scalar values. ### Returns Type | Description ---- | ----------- * | The median absolute deviation. ### Throws Type | Description ---- | ----------- ## Examples ```js math.mad(10, 20, 30) // returns 10 math.mad([1, 2, 3]) // returns 1 math.mad([[1, 2, 3], [4, 5, 6]]) // returns 1.5 ``` ## See also [median](median.md), [mean](mean.md), [std](std.md), [abs](abs.md)