PRINCIPAL_AXIS - Finds principal axis of each grid point. Usage: [angles, variances] = principal_axis( hfrc_obj ) This function returns the direction of the principal axis (in radians) of each grip point of the HFRC object. It removes bad data before doing the calculation. The mean of each series is also removed before calculation. It will also optionally return the variances explained by the major and minor axes. The negative of the angles returned can be used in rotate to place each series on it's principal axis. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% $Id: principal_axis.m,v 1.1 2003-06-04 00:40:04 dmk Exp $ Copyright (C) 2001 David M. Kaplan Licence: GPL (Gnu Public License) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

- EOF EOF - computes EOF on a field of an HFRC object.
- end END - basic end method for HFRC objects.
- gooddata GOODDATA - returns a matrix of good data in object.
- isempty
- polyfit POLYFIT - Polynomial fitting for HFRC objects.
- polyval POLYVAL - HFRC method for polyval function
- size SIZE - returns [ (num times), (num gridpts) ].
- EOF EOF - computes EOF of a matrix.

- summary SUMMARY - Make summaries of HFRC objects.

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