Replaced self.(ei,si,mi,oi,di) with self.(NE,NS,NM,NO,ND).
These numbers represents the maximum number of dimensions, instead of index.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-11
Parent: [r23818]
Child: [r23820]
