3d aray of images to 2d image

I ve got a 3d array of images 60000x28x28 (28x28 image size) and I want to plot the first image for example. A = a(1,:,:) creates a 3d array 1x28x28. I want to create just the 28x28 2d array image in order to plot it. How can i do so? A = a(1,:,:); imshow(A), return

??? Error using ==> imageDisplayValidateParams>validateCData at 114 Unsupported dimension

Error in ==> imageDisplayValidateParams at 31 common_args.CData = validateCData(common_args.CData,image_type);

Error in ==> imageDisplayParseInputs at 79 common_args = imageDisplayValidateParams(common_args);

Error in ==> imshow at 199 [common_args,specific_args] = ...

Answer 1

[Azzi Abdelmalek]

im=rand(60000,28,28)
out=permute(im,[3 2 1])
out(:,:,1); % is the first image
out(:,:,2); % is the second image
%and so on

Answer 2

[David Young]

A = squeeze(a(1, :, :));