CVXR (version 1.0)

curvature-comp: Curvature of Composition

Description

Determine whether a composition is non-decreasing or non-increasing in an index.

Usage

is_incr(object, idx)
is_decr(object, idx)
# S4 method for Atom
is_incr(object, idx)
# S4 method for Atom
is_decr(object, idx)

Arguments

object

A '>Atom object.

idx

An index into the atom.

Value

A logical value.

Examples

# NOT RUN {
x <- Variable()
is_incr(log(x), 1)
is_incr(x^2, 1)
is_decr(min(x), 1)
is_decr(abs(x), 1)
# }