CVXR: sign – R documentation

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sign

Sign of Expression

Description

The sign of an expression.

Usage

## S4 method for signature 'Expression'
sign(x)

Arguments

`x`	An Expression object.

Value

A string indicating the sign of the expression, either "ZERO", "NONNEGATIVE", "NONPOSITIVE", or "UNKNOWN".

CVXR

Disciplined Convex Optimization

v1.0-10

Apache License 2.0 | file LICENSE

Authors

Anqi Fu [aut, cre], Balasubramanian Narasimhan [aut], David W Kang [aut], Steven Diamond [aut], John Miller [aut], Stephen Boyd [ctb], Paul Kunsberg Rosenfield [ctb]

Initial release