hello,

I analyze the fnirs data with the NIRS_SPM. A problem occurred when i do the 'estimation'. The exact error is below and any advice or sugestion is very helpful,thanks！ 

HERE

N =
4496

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ReML Iteration 1 : ...1.671513e+05 [+4.25]
ReML Iteration 2 : ...4.013087e+02 [+4.50]
ReML Iteration 3 : ...2.114812e+02 [+4.75]
ReML Iteration 4 : ...3.047954e+02 [+3.75]
ReML Iteration 5 : ...1.410013e+02 [+4.00]
ReML Iteration 6 : ...2.166358e+02 [+3.00]
ReML Iteration 7 : ...6.710701e+01 [+3.25]
ReML Iteration 8 : ...8.938422e+01 [+2.25]
ReML Iteration 9 : ...2.729207e+01 [+2.50]
ReML Iteration 10 : ...4.276401e+01 [+1.50]
ReML Iteration 11 : ...1.428516e+01 [+1.75]
ReML Iteration 12 : ...1.855772e+01 [+0.75]
ReML Iteration 13 : ...1.202287e+03 [-0.25]
ReML Iteration 14 : ...3.273906e+00 [+0.00]
ReML Iteration 15 : ...1.825369e+01 [-1.00]
ReML Iteration 16 : ...3.369692e+00 [-0.75]
ReML Iteration 17 : ...1.471605e+00 [-0.50]
ReML Iteration 18 : ...4.169026e+00 [-1.50]
ReML Iteration 19 : ...8.608191e+01 [-2.50]
ReML Iteration 20 : ...4.141194e-01 [-2.25]
ReML Iteration 21 : ...1.450885e+00 [-3.25]
ReML Iteration 22 : ...2.092968e+01 [-4.25]
ReML Iteration 23 : ...1.420476e+00 [-4.00]
ReML Iteration 24 : ...2.019455e+01 [-5.00]


Subscript indices must either be real positive integers or logicals.

Error in nirs_spm_indiv (line 123)
ResSS_nirs(aa,bb) = (KWY(:,aa)'*KWY(:,bb) - KWY(:,i)'*xX.xKXs.X*xX.pKX* KWY(:,bb));
Error in prewhitening (line 213)
[SPM]= nirs_spm_indiv(SPM, Y, save_directory);
Error in NIRS_Estimation>push_est_Callback (line 106)
[SPM_nirs] = prewhitening(SPM_nirs, Y, handles.pathn);
Error in gui_mainfcn (line 96)
feval(varargin{:});
Error in NIRS_Estimation (line 17)
gui_mainfcn(gui_State, varargin{:});
Error in @(hObject,eventdata)NIRS_Estimation('push_est_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating uicontrol Callback



Appreciate in advance for your help!

Best wishes,

Fakun