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if statement between cells arrays

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Jwana
Jwana 2012-10-25
I need to compare between values in cells arrays such as I have :
p =
'GO:0008150'
'GO:0016740'
'GO:0016787'
'GO:0008150'
'GO:0016740'
'GO:0016740'
'GO:0016787'
'GO:0016787'
'GO:0016787'
'GO:0006810'
'GO:0006412'
'GO:0004672'
'GO:0008150'
'GO:0008150'
'GO:0006810'
'GO:0016192'
'GO:0006810'
'GO:0005215'
and c:
c =
'GO:0016740'
'GO:0016787'
'GO:0006810'
'GO:0006412'
'GO:0004672'
'GO:0016779'
'GO:0004386'
'GO:0003774'
'GO:0016298'
'GO:0016192'
'GO:0005215'
'GO:0030533'
'GO:0016787'
'GO:0006810'
'GO:0006412'
'GO:0003774'
'GO:0005215'
'GO:0030533'
so I want to make if statement that: I want elements from vector 'p' not occure in vector 'c' . the code I made is:
for i=1:length(p)
if p(i)~=c(:)
level1_root=p{i}
break
else
%disp('There is no root node in the system!!')
end
end
and the error message is: ??? Undefined function or method 'ne' for input arguments of type 'cell'
it is worked for normal vector , but not worked for cells array (my case)
advice please

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2012-10-25
编辑：Azzi Abdelmalek 2012-10-25
out=unique(p(cellfun(@(x) ~ismember(x,c),p)))

更多回答（2 个）

Matt J
Matt J 2012-10-25
setdiff(p,c)
Matt Fig
Matt Fig 2012-10-25
编辑：Matt Fig 2012-10-25
This will fix your code:
for i=1:length(p)
if p{i}~=c{i}
level1_root=p{i}
break
else
%disp('There is no root node in the system!!')
end
end
But I am confused. You say that you want to make sure that the values in p are not in c. Yet this code only checks that the values aren't in the same position, not that they don't exist at all. Have a look at:
ismember(p,c) % 1s show where an element of p is in c...
So which is it? Do you want to make sure that no element of p is in c (as you say), or that no element of p is in the same position as it is in c (what your code checks)?
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Jwana
Jwana 2012-10-25
really strange!! when I copied your code it is worked !! maybe because these p and c cells vectors came from cells arrays processes?? in fact I need this method u mentioned because I have to make other process depends on it.
Jwana
Jwana 2012-10-25
the code which I made to get 'p' and 'c' is the following:
Note: map is a cells arrays which has a long code it self I didn't mention here !!!
b={};
for i=1:length(map)
b=[b,map{i,1}];
end
b=b';
g={};
for i=1:length(map)
g=[g,map{i,2}];
end
g=g';
h={};
for i=1:size(map)
h=[h,map{i,3}];
end
h=h';
y=[g' h']';v=[b' b']';m=[y,v];
m(cellfun(@(x) ~x(1),m(:,1)),:) = [];

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