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% CODA_PARAM A description of the data specification argument list
%
% Several functions from the CODA MATLAB interface take a data
% specification argument list to specify a certain data element in a
% product file. This argument list is a comma separated list of names
% and identifiers that allow you to walk to a certain point in a
% product. The list can be left empty if you want to point to the
% root of the product. There are two types of arguments you can use
% in the list of arguments:
%
% - Array index: You need to provide an array index that has the
% same number of elements as there are dimensions in the array
% that you are referring to. So if the array is two dimensional you
% have to pass indices for both dimensions like [4 5]. If the
% array is one dimensional (like the datasets) you can just
% provide a single index value (without the '[]') to get to the
% k-th element. You can use coda_size to check the number of
% dimensions of an array and the size of each dimension.
% - Field name: To go to a certain field inside the record that you
% are pointing to, you can provide the field name as a string
% (which is case sensitive, so you should make sure that the name
% is exactly the same as is returned by coda_fieldnames).
%
% Note that all indices inside the data specification argument list
% go from 1..N (and not from 0..(N-1)).
%
% For the <code>coda_fetch</code> function there is an additional
% feature. If you provide a -1 for one or more of the dimensions of an
% array you will fetch all elements in the specified dimension(s).
% For example, with coda_fetch(pf,'datasetname',-1,'dsr_time') you can
% fetch all dsr_time values for all measurements into a single array.
%
% See also CODA_CLASS, CODA_EVAL, CODA_FETCH, CODA_FIELDNAMES, CODA_SIZE
%
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