math.acos() function

Warning! This page documents an earlier version of Flux, which is no longer actively developed. Flux v0.65 is the most recent stable version of Flux.

The math.acos() function returns the arccosine of x in radians.

Output data type: Float

import "math"

math.acos(x: 0.22)

// Returns 1.3489818562981022



x should be greater than -1 and less than 1. Otherwise, the operation will return NaN.

Data type: Float

Special cases

math.acos(x: <-1) // Returns NaN
math.acos(x: >1)  // Returns NaN