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Hello

Could I ask if the arbrot.m is included in MRSignalsSeqs, as I didn’t find it in the Matlab folder? Thanks!

Dear developers,

Line 11-13 in the Matlab script named 'epg_cpmg.m' says the following:

% Note that if refoc flip angle is constant, less than pi, and etl > 1 the
% first refocusing flip angle is the average of 90 and the desired
% refocusing flip angle, as proposed by Hennig.

But the Matlab code in line 28 is actually taking the average of 180 and the desired refocusing flip angle as follows:

flipangle(1)=(pi+abs(flipangle(2)))/2/abs(flipangle(2)) * flipangle(2);

Could you please check this discrepancy and provide the reference to Hennig's first refocusing pulse trick?

Thank you very much!

FYI

Hi Professor, the msinc function used to put RF pulse in central part in exampleB1_17.m seems to be not included