Matlab functions in circshift () usage

a = [1 2 3;4 5 6;7 8 9];
b = [-1 -2 -3; -4 -5 -6;-7 -8 -9];
c = [10 20 30; 40 50 60; 70 80 90];
Hist(:,:,1) = a;
Hist(:,:,2) = b;
Hist(:,:,3) = c;

Hist_1 = circshift(Hist,[0,0,-1]);
Hist_2 = circshift(Hist,[1,0,0]);
Hist_3 = circshift(Hist,[0,1,0]);

Hist：

Hist_1:

 

 

Hist_2:

 

 Hist_3: