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    %% Smallest Element in Matrix
% Create a matrix |A| and use its column representation, |A(:)|, to find the value and index of the smallest element.  

% Copyright 2015 The MathWorks, Inc.

A = [8 2 4; 7 3 9]

%%
A(:)

%%
[M,I] = min(A(:))

%%
% |I| is the index of |A(:)| containing the smallest element.  

%%
% Now, use the
% |ind2sub| function to extract the row and column indices of |A|
% corresponding to the smallest element.
[I_row, I_col] = ind2sub(size(A),I)

%%
% If you need only the minimum value of |A| and not its index,
% call the |min| function twice.
M = min(min(A))