How to replace values less than zero in a cell array with NaN?

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Iknoor Singh
Iknoor Singh 2013-2-22
I have a huge cell array and there is a column with a lot of negative values. I want to clean up and replace all those values with NaN. Would appreciate any help. Thanks.

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Azzi Abdelmalek
Azzi Abdelmalek 2013-2-22
编辑：Azzi Abdelmalek 2013-2-22
% for all columns
B=cell2mat(A)
B(B<0)=nan
A=num2cell(B)
%if column 2 for e.g
B=cell2mat(A)
B(B(:,2)<0,2)=nan
A=num2cell(B)

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