Rename samples subdirectories

samples/Matlab/matlab_script2.m

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+  % Matlab example script 2
+  % Comments precended with arbitrary whitespace (spaces or tabs)
+
+  %Call matlab_function function which resides in the same directory
+
+value1 = 5 % semicolon at end of line is not mandatory, only suppresses output to command line.
+value2 = 3
+
+  % Calculate sum of value1 and value2
+result = matlab_function(value1,value2);
+
+disp('called from script')
+disp(result);