This method returns the name of the similarity matrix at a specified position in a DM_ClusSettings value.
Method syntax
>>-clusSet..DM_getSimMatName--(--pos--)------------------------><
Function syntax
>>-DM_getSimMatName--(--clusSet--,--pos--)---------------------><
The return value is of type VARCHAR(128)
IDM1245E: There is no cost or similarity matrix available at position "Variable1".