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1. With matrix cases we mean the number of different cases in the table. For instance, if you have a 3D space description, for each x value you have a table of y,z values. If you put this in a data set, you get columns of x, y and z values like this:
     

   0
      3    "x" "y" "z"
      "1"  1    1   1
      "2"  1    1   2
      "3"  1    2   2
      "4"  2    1   1
      "5"  2    1   2
      "6"  2    2   2
      "7"  3    1   1
      "8"  3    1   2 
      "9"  3    2   2 

   
   

   If you ask for the number of matrix cases of x, you get 3 (and not 9), because there are 3 x-coordinates

2. Nested parameter addresses like "PROP$.OWDAT.KT" and "PROP$.OWDAT$.KT" are allowed
3. Telitab$ attribute names used in the NRCASES argument do not need to exist in the knowledge base. If they don't exist in Telitab$, zero is returned as NRCASES.

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NRCASES("Components.Q=40.8") returns the first case number of which the value of Q in object/Telitab$ Components equals 40.8, the rounded values (as presented in the workbase) are compared, no prefix possible

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