dual: Create a dual number

In nabla: Exact Derivatives via Automatic Differentiation

Create a dual number

Description

Create a dual number

Usage

dual(value, deriv = 0)

Arguments

value	The primal value (numeric or dual for nesting).
deriv	The derivative component (numeric or dual for nesting). Defaults to 0.

Value

A dual object.

Examples

x <- dual(3, 1)
value(x)
deriv(x)

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