Sammon's Projection
22,99 €
inkl. MwSt.

Versandfertig in über 4 Wochen
  • Broschiertes Buch

High Quality Content by WIKIPEDIA articles! Sammon's projection, or Sammon's mapping is an algorithm that maps a high-dimensional space to a space of lower dimensionality (see multidimensional scaling). Denote the distance between ith and jth objects in the original space by scriptstyle d^{ }_{ij}, and the distance between their projections by scriptstyle d^{}_{ij}. Sammon's projection aims to minimize the following error function, which is often referred to as Sammon's stress: E = frac{1}{sum_{ij}d^{ }_{ij}}sumsum_{ij}frac{(d^{ }_{ij}-d_{ij})^2}{d^{ }_{ij}}. The minimization can be performed…mehr

Andere Kunden interessierten sich auch für
Produktbeschreibung
High Quality Content by WIKIPEDIA articles! Sammon's projection, or Sammon's mapping is an algorithm that maps a high-dimensional space to a space of lower dimensionality (see multidimensional scaling). Denote the distance between ith and jth objects in the original space by scriptstyle d^{ }_{ij}, and the distance between their projections by scriptstyle d^{}_{ij}. Sammon's projection aims to minimize the following error function, which is often referred to as Sammon's stress: E = frac{1}{sum_{ij}d^{ }_{ij}}sumsum_{ij}frac{(d^{ }_{ij}-d_{ij})^2}{d^{ }_{ij}}. The minimization can be performed either by gradient descent, as proposed initially, or by other means.