Differentiability of Kruskal's stress at a local minimum |
| |
| Authors: | Jan De Leeuw |
| |
| Institution: | (1) Leiden University, The Netherlands;(2) Department of Data Theory FSW/RUL, Middelstegracht 4, 2312 TW Leiden, Netherlands |
| |
| Abstract: | It is shown that Kruskal's multidimensional scaling loss function is differentiable at a local minimum. Or, to put it differently, that in multidimensional scaling solutions using Kruskal's stress distinct points cannot coincide. |
| |
| Keywords: | multidimensional scaling loss functions |
| 本文献已被 SpringerLink 等数据库收录！ |
|
