MATLAB: How to find minimum time format for each row of a cell array

cell arrayMATLABminimumtime format

Hi all, I have a 4*21 cell array named all_dis. the elements of this cell array may be empty or a time format value such as '00:00:21' .
I want to get the minimum Time(with its location) on each row of this cell array . Any help is really appreciated .

Best Answer

all_dis={'00:00:21'    '00:00:23' '';'12:00:21'   []  '11:00:23' }
a=cellfun(@datenum,all_dis,'un',0)
a(cellfun(@isempty,a))={inf}
b=datestr(min(cell2mat(a)'),'HH:MM:SS')
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