Beta function for dual numbers

Source: R/dual-special.R

Computed as exp(lbeta(a, b)).

beta(a, b)

# S4 method for class 'numeric,numeric'
beta(a, b)

# S4 method for class 'dualr,dualr'
beta(a, b)

# S4 method for class 'dualr,numeric'
beta(a, b)

# S4 method for class 'numeric,dualr'
beta(a, b)

Arguments

a

A numeric or dual value.

b

A numeric or dual value.

Value

beta(a, b) with derivative.

Examples

beta(2, 3)  # 1/12
#> [1] 0.08333333
a <- dual_variable(2)
value(beta(a, 3))
#> [1] 0.08333333