public SDVariable rarg() {
        val args = args();
        if(args == null || args.length != 2)
            throw new ND4JIllegalStateException("In order to use this function, the number of arguments for this function must be 2.");
        return args[1];
    }
public SDVariable rarg ( ) { val args = args ( ) ; if ( args == null || args . length != 2 ) throw new ND4JIllegalStateException ( "In order to use this function, the number of arguments for this function must be 2." ) ; return args [ 1 ] ; }
The right argument for this function.
Note that this assumes that there are 2 args for this
function, if 2 are not set, it throws an
{@link ND4JIllegalStateException}
@return