plot 3, describe centroid

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.

[Image Analyst]

I presume centroidn is a 1 by 2 array. So you have a 5x5 array, as you said. What do you consider to be x, y, and z?

[Tomas]

T is matrix, 5x3, columns are x,y,z

[Image Analyst]

Then try using Youssef's code.

Answer 1

[Youssef Khmou]

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

Answer 2

[Walter Roberson]

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.

[Tomas]

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]

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.