dual-log: Logarithm with optional base for dual numbers

In nabla: Exact Derivatives via Automatic Differentiation

Logarithm with optional base for dual numbers

Description

Logarithm with optional base for dual numbers

Usage

## S4 method for signature 'dualr'
log(x, base = exp(1))

Arguments

x	A dual number.
base	Numeric base (default: exp(1) for natural log).

Value

A dual representing log(x, base).

Examples

x <- dual_variable(8)
value(log(x, base = 2))
deriv(log(x, base = 2))

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