curvature {CVXR}

Curvature of Expression

Description

The curvature of an expression.

The curvature of an expression.

Usage

curvature(object)

## S4 method for signature 'Expression'
curvature(object)

Arguments

object

An Expression object.

Value

A string indicating the curvature of the expression, either "CONSTANT", "AFFINE", "CONVEX, "CONCAVE", or "UNKNOWN".

A string indicating the curvature of the expression, either "CONSTANT", "AFFINE", "CONVEX", "CONCAVE", or "UNKNOWN".

Examples

x <- Variable()
c <- Constant(5)

curvature(c)
curvature(x)
curvature(x^2)
curvature(sqrt(x))
curvature(log(x^3) + sqrt(x))