MATLAB: How to save nested cells in mat file

.mat fileMATLABtext;

I want to save data in such a way that a cell holds another cell array.
My main table will consist of cells, each of which will hold 24 cell arrays of size 1X63. How to save data in such a manner?
The idea is that I am encoding a words with numbers
For example. If my word is Aalen, A = 1×63 vector, a = 1×63 vector, l = 1×63 vector, e=1×63 vector, n=1×63 vector.
So for each word in my list, I waant to save a vector for each letter in the word.

Best Answer

The code below is probably what you need (or close to it). If letters are used that are not in the letterlist, then an error will occur, because the ind variable will contain a 0.
%all(?) letters used in German:
letterlist=['a':'z' 'A':'Z' ...
    char([196 203 207 214 220 223 228 235 239 246 252])];
%generate a library with random entries as an example
lib=cell(1,numel(letterlist));
for n=1:numel(letterlist)
    lib{n}=rand(1,63);
end
word='Aalen';
[~,ind]=ismember(word,letterlist);
output=lib(ind);
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