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math.erfc() function

content/flux/v0/stdlib/math/erfc.md

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<!------------------------------------------------------------------------------ IMPORTANT: This page was generated from comments in the Flux source code. Any edits made directly to this page will be overwritten the next time the documentation is generated. To make updates to this documentation, update the function comments above the function definition in the Flux source code: https://github.com/influxdata/flux/blob/master/stdlib/math/math.flux#L641-L641 Contributing to Flux: https://github.com/influxdata/flux#contributing Fluxdoc syntax: https://github.com/influxdata/flux/blob/master/docs/fluxdoc.md ------------------------------------------------------------------------------->

math.erfc() returns the complementary error function of x.

Function type signature
js
(x: float) => float

{{% caption %}} For more information, see Function type signatures. {{% /caption %}}

Parameters

x

({{< req >}}) Value to operate on.

Examples

Return the complementary error function of a value

js
import "math"

math.erfc(x: 22.6)// 3.772618913849058e-224

Use math.erfc in map

js
import "math"
import "sampledata"

sampledata.float()
    |> map(fn: (r) => ({r with _value: math.erfc(x: r._value)}))

{{< expand-wrapper >}} {{% expand "View example input and output" %}}

Input data

_time*tag_value
2021-01-01T00:00:00Zt1-2.18
2021-01-01T00:00:10Zt110.92
2021-01-01T00:00:20Zt17.35
2021-01-01T00:00:30Zt117.53
2021-01-01T00:00:40Zt115.23
2021-01-01T00:00:50Zt14.43
_time*tag_value
2021-01-01T00:00:00Zt219.85
2021-01-01T00:00:10Zt24.97
2021-01-01T00:00:20Zt2-3.75
2021-01-01T00:00:30Zt219.77
2021-01-01T00:00:40Zt213.86
2021-01-01T00:00:50Zt21.86

Output data

_time_value*tag
2021-01-01T00:00:00Z1.9979506490526588t1
2021-01-01T00:00:10Z0.000000000000000000000000000000000000000000000000000008381980138107252t1
2021-01-01T00:00:20Z0.000000000000000000000000262744434287864t1
2021-01-01T00:00:30Z0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000011164884065025777t1
2021-01-01T00:00:40Z0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006790933091004747t1
2021-01-01T00:00:50Z0.0000000003729065687554446t1
_time_value*tag
2021-01-01T00:00:00Z0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002144458719979885t2
2021-01-01T00:00:10Z0.0000000000020855419929990413t2
2021-01-01T00:00:20Z1.9999998862727435t2
2021-01-01T00:00:30Z0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000005123973574678553t2
2021-01-01T00:00:40Z0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000015161509817813512t2
2021-01-01T00:00:50Z0.008527511664360422t2

{{% /expand %}} {{< /expand-wrapper >}}