plot 3, describe centroid

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Tomas
Tomas 2014-1-26
评论： Image Analyst 2014-1-26
I have matrix T, for example matrix 5 x 3.
T=
centroid1[ 1 2 3 ;
centroid2 4 5 6 ;
centroid3 1 2 3 ;
centroid4 4 5 6 ;
centroid5 1 2 3 ]
I want to draw by means of plot3
matrix T, columns is the coordinates of centroid, one retire row is point(coordinates are colums)
Thanks.
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Tomas
Tomas 2014-1-26
T is matrix, 5x3, columns are x,y,z
Image Analyst
Image Analyst 2014-1-26
Then try using Youssef's code.

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Youssef Khmou
Youssef Khmou 2014-1-26
you can this interpretation : representing the coordinates of five centroids in one euclidean space :
T= [ 1 2 3 ;4 5 6 ;1 2 3 ;4 5 6 ;1 2 3 ];
figure, plot3(T(:,1),T(:,2),T(:,3),'*'); grid on

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Walter Roberson
Walter Roberson 2014-1-26
plot3() is suitable for plotting lines or markers in 3 dimensional space, but your centroids are in 5 dimensional space.
There is no plot5() as MATLAB has not yet been revised to accommodate 5-dimensional displays. If you have a 5-dimensional display that you could lend Mathworks, their work on a driver would undoubtedly proceed much faster.
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Tomas
Tomas 2014-1-26
ok, thanks :), when I have matrix 5x 3
T=
centroid1[ 1 2 3 ;
centroid2 4 5 6 ;
centroid3 1 2 3 ;
centroid4 4 5 6 ;
centroid5 1 2 3 ]
can i draw matrix ?
Image Analyst
Image Analyst 2014-1-26
That threw us when you originally said 5x5 and then used non-standard syntax. You should have said:
T= [...
1 2 3 ; % centroid1
4 5 6 ; % centroid2
1 2 3 ; % centroid3
4 5 6 ; % centroid4
1 2 3 ] % centroid5
So now that we know what you mean, it appears that Youssef's code should do it.

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