creating a dictionary without containers.map where the key is a variable with the type double and the value is an cell array. everything should be field within a loop in matlab

Here's an example of how to create a dictionary without containers.map in MATLAB using a loop with a double key and a cell array value:

main.m
% Define the start and end of the loop
start = 1;
stop = 10;

% Create an empty dictionary
dict = struct();

% Loop through the range of double keys
for i = start:stop
    % Create a random cell array for the value
    value = cell(1, randi(5));
    for j = 1:length(value)
        value{j} = randi(10);
    end
    
    % Add the key-value pair to the dictionary
    dict(i) = value;
end
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In this example, we first define the range of double keys we want to use in the loop. Then, we create an empty dictionary using a struct() function, which returns an empty structure with no fields.

Inside the loop, we create a random cell array for the value, with a length between 1 and 5. Then, we assign each element in the cell array a random integer between 1 and 10.

Finally, we add the key-value pair to the dictionary using the key i and the value value. Note that the double key is automatically converted to a string key in the dictionary.