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is there a way of scanning an array to find out what there is in there so i dont reinsert the same variable in there?

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ME
ME on 13 Mar 2015
Closed: MATLAB Answer Bot on 20 Aug 2021
i have an array numbers = [];, i want to create a while loop which inserts numbers into the array. i do not want repeated numbers in the array so if the number already exists i do not want to insert it into the array.
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ME
ME on 16 Mar 2015
so i have an array pairs with dimenstions 90x2 which appears to be like this 3 7 3 8 3 9 3 10 4 1 4 2 4 3 4 5 and so on I want to create a loop which scans through each row in the array and if the value matches the array pse I will disregard it otherwise insert it into new array called new.

Answers (2)


Adam
Adam on 17 Mar 2015
In response to your latest comment...
C = setdiff(A,B,'rows');
should do what you want, assuming your pse array also has 2 columns and that you wish to remove rows from A (your dimensions array) in which the pair of values matches your pse array.
Is your pse array just 1x2 or does it have multiple pairs?

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