How to find a certain content with index in cell array by looping

Dear senior,

I have a cell array like the following code. I want to sort like the following answer . How can I solve this? Help me. Thanks all.

if true
  % 4 [] []  []
    5 6  []  []
    7 8  9   10 
Desired Answer: 1x1 cell
               4
               5
               6
               7
               8
               9
              10
end

Answer 1

[Azzi Abdelmalek]

A={4 [] []  []
  5 6  []  []
  7 8  9   10}
B=A'
idx=~cellfun(@isempty,B)
out=B(idx)

[Khaing Zin Htwe]

Thanks a lot,sir. It's a great help to me.

[Khaing Zin Htwe]

Dear sir,

Could you please help me? I have 1X1 cell array like the following. And i want to convert cell array to double array and each content to uint8 or double . I converted cell array to struct but the contents are still cell. Help me,sir.

if true
  % [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
  [512x512 logical]
end

[Azzi Abdelmalek]

Use cell2mat

[Khaing Zin Htwe]

it does not work well. The result is like 12555555x512. These contents are cell type. I want to convert all these contents to double 512x512 double . How can i do this ,sir. Please help me.

Answer 2

[Andrei Bobrov]

B = A';
out = cat(1,B{:});

[Khaing Zin Htwe]

Thanks a lot,sir. It works well.