MATLAB: How to store vectors with different size in a loop

arraycell arraysMATLABmatrix manipulationvectorization

How to store vectors with different size and how to access them. M(k) found_roots
F = @(t) cos(t)*exp(-t);
A = @(s) arrayfun(@(s)-integral(F,-10,s),s);
Z = @(t1,t2) -integral(A,t1,t2);
interval = [-5, 5];
N = 100;
start_pts = linspace(interval(1),interval(2),N);
found_roots = [];
  for k = 1:10
    t2 = k; 
    for i=1:numel(start_pts)-1
      try
        found_roots(end+1) = fzero(@(t1)Z(t1,t2),[start_pts(i),start_pts(i+1)]);
      end
    %     i
    end
  M(k) = found_roots % vector of different length
  k
end

Best Answer

Use cell array instead; the curly brackets...
M{k} = found_roots;
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