How can I resize a mat file that contains images

I have this code

https://www.mathworks.com/matlabcentral/fileexchange/71521-3-d-deep-learning-lung-tumor-segmentation

and my data is 40x40x40

I need it to be 64x64x64 for the code to work is that possible

Answer 1

[Chunru]

V =rand(40, 40, 40);
q = (0:59)/59*39+1;
qqq = meshgrid(q, q, q);
% 3d interpolation
V1 = interp3(V, qqq, qqq, qqq);
whos

  Name         Size                 Bytes  Class     Attributes

  V           40x40x40             512000  double              
  V1          60x60x60            1728000  double              
  cmdout       1x33                    66  char                
  q            1x60                   480  double              
  qqq         60x60x60            1728000  double              

Answer 2

[Walter Roberson]

imresize3() for r2017b or later.