Why am I loosing a row and a column in MATLAB slice plot?

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Bharath Lohray
Bharath Lohray 2015-5-27
回答： Walter Roberson 2015-5-27
I am trying to plot a 3D volume in MATLAB. I am using the slice command.
a(:,:,1)=[1,2; 3,4];
a(:,:,2)=[5,6; 9,8];
figure;
slice (a,0,0,1);
hold on
slice (a,0,0,2);
The figure I get has just one square (pixel). I am expecting 4 squares. How do I plot this? What am I doing wrong?

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Walter Roberson
Walter Roberson 2015-5-27
Under "Tips" for slice() you will see
The color drawn at each point is determined by interpolation into the volume V.
This is the same issue that hits pcolor: an NxM matrix has (N-1)x(M-1) interior locations.

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