toJavaMatrix2D: Utility function for converting an R matrix (standard matrix or SparseMatrix) to appropriate Java matrix object.
Description
Internal function used for converting an R matrix to an appropriate object in Java.
It uses toJavaMatrix() and toJavaCSMatrix() underneath and returns a reference to
general matrix representation in Java of type Array2D (interface).
Usage
toJavaMatrix2D( m )
Arguments
m
matrix of numeric values.
Value
reference to Java matrix (dense or sparse) with the same contents as the input R matrix.