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G-2007-62

The Squared Slacks Transformation in Nonlinear Programming

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We recall the use of squared slacks used to transform inequality constraints into equalities and several reasons why their introduction may be harmful in many algorithmic frameworks routinely used in nonlinear programming. Numerical examples performed with the sequential quadratic programming method illustrate those reasons.

, 13 pages

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The squared slacks transformation in nonlinear programming
and
Sultan Qaboos University Journal for Science, 17(1), 22–29, 2012 BibTeX reference