Slack Variables

Some articles on slack variables:

Slack Variable - Embedding in Orthant
... Further information Orthant and Generalized barycentric coordinates Slack variables give an embedding of a polytope into the standard f-orthant, where f is the number of ... This map is one-to-one (slack variables are uniquely determined) but not onto (not all combinations can be realized), and is expressed in terms of the constraints (linear ... Slack variables are dual to generalized barycentric coordinates, and, dually to generalized barycentric coordinates (which are not unique but can all be realized ...

Famous quotes containing the words variables and/or slack:

    The variables of quantification, ‘something,’ ‘nothing,’ ‘everything,’ range over our whole ontology, whatever it may be; and we are convicted of a particular ontological presupposition if, and only if, the alleged presuppositum has to be reckoned among the entities over which our variables range in order to render one of our affirmations true.
    Willard Van Orman Quine (b. 1908)

    In marriage, a man becomes slack and selfish, and undergoes a fatty degeneration of his moral being.
    Robert Louis Stevenson (1850–1894)