curvature-comp: Curvature of Composition

In CVXR: Disciplined Convex Optimization

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 signature 'Atom'
is_incr(object, idx)

## S4 method for signature 'Atom'
is_decr(object, idx)

Arguments

object	A Atom object.
idx	An index into the atom.

Value

A logical value.

Examples

x <- Variable()
is_incr(log(x), 1)
is_incr(x^2, 1)
is_decr(min(x), 1)
is_decr(abs(x), 1)

CVXR documentation built on June 27, 2024, 5:11 p.m.