tasks a-s

Task/Set/MATLAB/set.m

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+    % Set creation
+	s = [1, 2, 4];     % numeric values
+	t = {'a','bb','ccc'}; % cell array of strings
+        u = unique([1,2,3,3,2,3,2,4,1]);   % set consists only of unique elements
+    % Test m ∈ S -- "m is an element in set S"
+        ismember(m, S)
+    % A ∪ B -- union; a set of all elements either in set A or in set B.
+	union(A, B)
+    % A ∩ B -- intersection; a set of all elements in both set A and set B.
+	intersect(A, B)
+    % A ∖ B -- difference; a set of all elements in set A, except those in set B.
+	setdiff(A, B)
+    % A ⊆ B -- subset; true if every element in set A is also in set B.
+        all(ismember(A, B))
+    % A = B -- equality; true if every element of set A is in set B and vice-versa.
+        isempty(setxor(A, B))