find similarities between cells

Consider the following example:

clear all
Year1a = {'Y2007','Y2008','Y2009','Y2010','Y2011'};
Year1b = {'Y2004','Y2005','Y2006','Y2007','Y2008','Y2009'};
Year1c = {'Y2007','Y2008','Y2009','Y2010','Y2011'};
Year1 = {Year1a,Year1b,Year1c};

Year2a = {'Y2005','Y2006','Y2007','Y2008','Y2009','Y2010','Y2011'};
Year2b = {'Y2005','Y2006','Y2007','Y2008','Y2009','Y2010','Y2011'};
Year2c = {'Y2005','Y2006','Y2007','Y2008','Y2009','Y2010','Y2011'};
Year2 = {Year2a,Year2b,Year2c};

I would like to compare the outputs from Year1 and Year2 and produce a third cell array which shows which Years are identical between Year1 and Year2. So, the outcome I would expect from this example would be:

Year{1} = {'Y2007','Y2008','Y2009','Y2010','Y2011'};
Year{2} = {'Y2005','Y2006','Y2007','Y2008','Y2009'};
Year{3} = {'Y2007','Y2008','Y2009','Y2010','Y2011'};

Answer 1

[Andrei Bobrov]

Year1 = {{'Y2007','Y2008','Y2009','Y2010','Y2011'}; {'Y2004','Y2005','Y2006','Y2007','Y2008','Y2009'};{'Y2007','Y2008','Y2009','Y2010','Y2011'}};
Year2 = {{'Y2005','Y2006','Y2007','Y2008','Y2009','Y2010','Y2011'}; {'Y2005','Y2006','Y2007','Y2008','Y2009','Y2010','Y2011'}; {'Y2005','Y2006','Y2007','Y2008','Y2009','Y2010','Y2011'}};
Year = cellfun(@intersect,Year1,Year2,'un',0)

OR in this is case

Year1 = {{'Y2007','Y2008','Y2009','Y2010','Y2011'}; {'Y2004','Y2005','Y2006','Y2007','Y2008','Y2009'};{'Y2007','Y2008','Y2009','Y2010','Y2011'}}
Year2 = {'Y2005','Y2006','Y2007','Y2008','Y2009','Y2010','Y2011'};
Year = cellfun(@(x)intersect(x,Year2),Year1,'un',0)