Abstract
Semidefinite programming (SDP) is a powerful framework from convex optimization that has striking potential for data science applications. This paper develops a provably correct randomized algorithm for solving large, weakly constrained SDP problems by economizing on the storage and arithmetic costs. Numerical evidence shows that the method is effective for a range of applications, including relaxations of MaxCut, abstract phase retrieval, and quadratic assignment. Running on a laptop equivalent, the algorithm can handle SDP instances where the matrix variable has over 1014 entries.
| Original language | English |
|---|---|
| Pages (from-to) | 171-200 |
| Number of pages | 30 |
| Journal | SIAM Journal on Mathematics of Data Science |
| Volume | 3 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 1 Jan 2020 |
Keywords
- augmented Lagrangian
- conditional gradient method
- convex optimization
- dimension reduction
- first-order method
- randomized linear algebra
- semidefinite programming
- sketching
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