perClass Documentation
version 5.4 (7-Dec-2018)
 LOG   Natural logarithm of data matrix

     B=LOG(A)

 INPUT
    A   SDDATA object

 OUTPUT
    B   SDDATA object

 DESCRIPTION
 LOG computes natural logarithm of data set A. Error is raised
 if the output becomes complex. This assures SDDATA object contains
 always double data type.

 SEE ALSO
 LOG10, LOG2