Erase row based on a specific condition in Matlab

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Maria
Maria 2014-8-5
回答： Sean de Wolski 2014-8-5
I have a cell array with 10000 rows and 7 columns.
A={ 701 1999 53,7 701 407 31 18
702 1999 39,6 [] [] [] []
729 1999 48,6 729 2000 40 []
734 1999 70,6 [] [] [] []
745 1999 60,9 730 2000 13 [] }
I would like to erase the rows that have a blank entry in the 4th column. So I would get:
A={ 701 1999 53,7 701 407 31 18
729 1999 48,6 729 2000 40 []
745 1999 60,9 730 2000 13 [] }
Thank you

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Sean de Wolski
Sean de Wolski 2014-8-5
idx = cellfun(@isempty,C(:,4));
A = A(~idx,:)
or
A(idx,:) = []

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