check 2 same numbers in a matrix

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Pas182
Pas182 on 14 Jun 2022
Commented: Pas182 on 14 Jun 2022
Hello everyone! :)
in a matrix like:
NaDFIR_from_tool = [ 80 39 101 39 101 175 237 172 232 168 232 168 104 40 ]
how can i check that a number (in this case 39 and 168) is present 2 times?
Thank you so much!

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Accepted Answer

Dyuman Joshi
Dyuman Joshi on 14 Jun 2022
Ran in:
y= [80 39 101 39 101 175 237 172 232 168 232 168 104 40]
y = 1×14
80 39 101 39 101 175 237 172 232 168 232 168 104 40
nnz(y==39)==2
ans = logical
1
nnz(y==168)==2
ans = logical
1

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