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How to compare two different cell arrays ?

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vish
vish 2011-2-8
评论： Walter Roberson 2019-5-24
I would like to know if there is any way by which I can compare all the elements and remove the matched elements if not needed.
eg : a = the, he, hate
b = he, hate
so c should be equal to the.
PS: I have tried string comparision method but, unfortunately they eliminate the 'he' from 'the' thus giving the output as only 't'.
Thank you, vish

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采纳的回答

Kenneth Eaton
Kenneth Eaton 2011-2-8
The SETDIFF function does what you want. It will give you the values in one set (i.e. cell array) that are not present in another set:
>> a = {'the', 'he', 'hate'};
>> b = {'he', 'hate'};
>> c = setdiff(a,b)
c =
'the'
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Elvira Cordova
Elvira Cordova 2019-5-24
Suppose I have the following:
a = { 'the', 'he', 'hate'}
b = { 'he', 'hate', 'she' }
And I want to obtain something like the following:
c = 'the'
d = 'she'
Is it possible with
setdiff
?

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更多回答（2 个）

Oleg Komarov
Oleg Komarov 2011-2-8
a = {'the', 'he', 'hate'};
b = {'he', 'hate'};
ismember(a,b)
Oleg
Remus
Remus 2011-8-11
What if I have two cell arrays with each array element continuing some structure with a combination of real elements and strings. i.e. A = {struct1,struct2,...} B = {struct1,struct2,...} here each struct can be of the type : structX.member1= ... (string/number) structX.member2= ... (string/number) ... Is there a way to compare the two cel arrays. dismember or setdiff only looks for strings so it won't work. Thanks Remus
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chocho
chocho 2017-3-10
Stephen Cobeldick thanks bro,but in my case i have a cell array inside another cell array i.e cell 1 627*1 (row=627 and col=1) and inside each row (from 1 to 627 ) i have 1*3 cell! .

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