dual-atan2: Two-argument arctangent for dual numbers

In nabla: Exact Derivatives via Automatic Differentiation

Two-argument arctangent for dual numbers

Description

Two-argument arctangent for dual numbers

Usage

## S4 method for signature 'dualr,dualr'
atan2(y, x)

## S4 method for signature 'dualr,numeric'
atan2(y, x)

## S4 method for signature 'numeric,dualr'
atan2(y, x)

Arguments

y	A dual or numeric.
x	A dual or numeric.

Value

A dual representing atan2(y, x) with correct derivative.

Examples

y <- dual_variable(1)
x <- dual_constant(1)
result <- atan2(y, x)
value(result)

nabla documentation built on Feb. 11, 2026, 1:06 a.m.