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- function varargout = spm_add(varargin)
- % add a series of images - a compiled routine
- % FORMAT s = spm_add(VI,VO)
- % VI - Vector of mapped volumes (from spm_map or spm_vol).
- % VO - Description of output volume that gets passed to
- % spm_write_plane.m
- % flags - Flags can be:
- % 'm' - masks the mean to zero or NaN wherever
- % a zero occurs in the input images.
- % s - Scalefactor for output image.
- %_______________________________________________________________________
- %
- % spm_add computes a sum of a set of image volumes to produce an
- % integral image that is written to a named file (VI.fname).
- %
- % A mean can be effected by modifying the scalefactors (and offsets) of
- % VI (see spm_mean_ui for an example). A weighted sum can be effected by
- % using different weightings for image scalefactors.
- %_______________________________________________________________________
- % Copyright (C) 1999-2011 Wellcome Trust Centre for Neuroimaging
- % John Ashburner
- % $Id: spm_add.m 4417 2011-08-02 13:38:19Z guillaume $
- %-This is merely the help file for the compiled routine
- error('spm_add.c not compiled - see Makefile')
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