convert from cell array to double

b =

  1×1 cell array

    {1×2 cell}
    
i want to get last element in cell ("4") and convert it in double    

Answer 1

[Dyuman Joshi]

Use indexing -

%Assuming this is how your data is stored
b = {{6,4}}

b = 1×1 cell array
    {1×2 cell}

c = b{1}{2}

c = 4

Answer 2

[Abderrahim. B]

Hi!

Use patentheses () if you want the output to be a cell

myCell = {42, rand(5)}

myCell = 1×2 cell array
    {[42]}    {5×5 double}

ele = myCell(1,2)

ele = 1×1 cell array
    {5×5 double}

Use curly parentheses to get data from the cell in its type

ele = myCell{1,2}

ele = 5×5

0.5062 0.9224 0.3035 0.3201 0.1839 0.8434 0.3387 0.2509 0.9461 0.0362 0.7808 0.7764 0.8302 0.8172 0.1848 0.4092 0.3476 0.0203 0.6906 0.3348 0.1126 0.0982 0.7486 0.7783 0.4946

You can also try cell2mat with the first approach to convert cell to array of double..

myCell = {42, rand(5)}

myCell = 1×2 cell array
    {[42]}    {5×5 double}

ele = cell2mat(myCell(1,2))

ele = 5×5

0.8558 0.6122 0.0712 0.3533 0.1033 0.5384 0.4733 0.2903 0.4612 0.7655 0.9834 0.4619 0.2614 0.7796 0.3795 0.4509 0.1652 0.7384 0.5678 0.7921 0.8444 0.0822 0.0433 0.8701 0.6699

Hope this helps

Abderrahim