using euclidean distyance formula find the distance between two subpixel within same pixel

i am doing a project of subpixel mapping. where i need to know the distance between two subpixel within same pixel. the distance should be calculated with euclidean rule. plz suugest me the program in matlab

Answer 1

[Walter Roberson]

pdist() or pdist2() . Or norm() of the difference in coordinates.

[debasmita kar]

can you explain it plz....

[Walter Roberson]

http://www.mathworks.com/help/stats/pdist.html

http://www.mathworks.com/help/stats/pdist2.html

http://www.mathworks.com/help/matlab/ref/norm.html