faster method for setdiff

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Yuang
Yuang 2016-4-11
评论： Walter Roberson 2016-4-11
I am using setdiff function for deleting same rows.
C = setdiff(A,B,'rows')
It takes about 84.9% of time for my entire code which consumes a lot of time. Is there a faster way for setdiff function?
  2 个评论
Kirby Fears
Kirby Fears 2016-4-11
Yuang,
What kind of data is in A and B?
Is one a superset of the other?
Walter Roberson
Walter Roberson 2016-4-11
What is your data type? Numeric? Categorical? Table?

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