Piecewise polyhedral formulations for a multilinear term
Journal Article
·
· Operations Research Letters
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Univ. of Wisconsin, Madison, WI (United States)
- Clemson Univ., SC (United States)
Herein, we present a mixed-integer linear programming (MILP) formulation of a piecewise, polyhedral relaxation (PPR) of a multilinear term using its convex-hull representation. Based on the PPR’s solution, we also present a MILP formulation whose solutions are feasible for nonconvex, multilinear equations. We then present computational results showing the effectiveness of proposed formulations on standard benchmark nonlinear programs (NLPs) with multilinear terms and compare with a traditional formulation that is built using recursive bilinear groupings of multilinear terms.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE National Nuclear Security Administration (NNSA)
- Grant/Contract Number:
- 89233218CNA000001; AC52-06NA25396
- OSTI ID:
- 1760566
- Alternate ID(s):
- OSTI ID: 1776450
- Report Number(s):
- LA-UR--18-22508
- Journal Information:
- Operations Research Letters, Journal Name: Operations Research Letters Journal Issue: 1 Vol. 49; ISSN 0167-6377
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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