math.dim() function

  • <nil> 0.22.0+

math.dim() returns the maximum of x - y or 0.

Function type signature
(x: float, y: float) => float

For more information, see Function type signatures.

Parameters

x

(Required) x-value to use in the operation.

y

(Required) y-value to use in the operation.

Examples

Return the maximum difference between two values

import "math"

math.dim(x: 12.2, y: 8.1)// 4.1

Use math.dim in map

import "math"

data
    |> map(fn: (r) => ({_time: r._time, _value: math.dim(x: r.x, y: r.y)}))

View example input and output

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