Remove duplicate sets of coordinates

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Chris2fr
Chris2fr 2018-4-16
回答： KSSV 2018-4-16
I have an array of x,y,z coordinates and need to remove any duplicate points. I have tried the unique command but I just remove all duplicate x's or y's or z's, rather than the points where all three are duplicated.
I have tried to give an example of my code below with an 'ideal' output.
x= [1; 2; 2; 4; 4; 4; 1; 1]
y= [0; 0; 0; 3; 3; 3; 0; 0]
z= [5; 1; 1; 1; 3; 3; 1; 5]
Input= [x; y; z]
Desiredoutput= [...
1 0 5
2 0 1
4 3 1
4 3 3
1 0 1]

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KSSV
KSSV 2018-4-16 
Input= [x y z] ;
iwant = unique(Input,'rows')

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