| Article ID: | iaor20134044 |
| Volume: | 56 |
| Issue: | 3 |
| Start Page Number: | 761 |
| End Page Number: | 763 |
| Publication Date: | Jul 2013 |
| Journal: | Journal of Global Optimization |
| Authors: | Hiriart-Urruty Jean-Baptiste |
| Keywords: | global optimization |
In this short note, the objective of which is essentially pedagogical, we show that in the well‐known problem which consists of minimizing the rank of a matrix, every admissible point is a local minimizer. Hence, in this problem like in various other ones, only global minimization matters.