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Hi Carolyn, my first bet: The number of scan specified in the SPM.mat (SPM.nscan) doesn't match the actual number of images. Cheers, Jan Carolyn L. Fort wrote: > Hello. Can anyone clarify the error message below for me? I'm running a > previously specified SPM.mat at the individual subject level, having just > inserted the data for this particular subject. I've used this SPM.mat file > successfully with several other subjects' data, and I've also used this > subject's data (*img and *hdr files) successfully in other models, so I'm > puzzled. > > Thanks, in advance, for any suggestions. > > Carolyn > > > *************************************************************************** > Initialising parameters : ...computing??? > Index exceeds matrix dimensions. > > Error in ==> C:\Program Files\MATLAB\toolbox\matlab\sparfun\spdiags.m > On line 102 ==> a = [a; i i+d(k) B(i+(m>=n)*d(k),k)]; > > Error in ==> C:\Program Files\MATLAB\spm2\spm_spm.m > On line 419 ==> s = spdiags(1./sqrt(diag(s)),0,nScan,nScan); > > Error in ==> C:\Program Files\MATLAB\spm2\spm_spm.m > On line 826 ==> SPM = spm_spm(SPM); > > ??? Error while evaluating uicontrol Callback. > *************************************************************************** > > Carolyn L. Fort > Research Specialist, Senior > Department of Psychiatry > University of Arizona > PO Box 245002 > Tucson, AZ 85724-5002 > v: 520-626-8568 > f: 520-626-6050 > -- Jan Gläscher, Ph.D. Div. Humanities & Social Sciences +1 (626) 395-3898 (office) Caltech, Broad Center, M/C 114-96 +1 (626) 395-2000 (fax) 1200 California Blvd [log in to unmask] Pasadena, CA 91125