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    %% Test Vector Elements  
% Determine if vector elements are less than a given value.   

%% 
% Create a numeric vector. 
A = [1 12 18 7 9 11 2 15];  

%% 
% Test the vector for elements that are less than |12|. 
A < 12 

%%
% The result is a vector with values of logical |1| (|true|) where the
% elements of |A| satisfy the expression.

%% 
% Use the vector of logical values as an index to view the values in |A|
% that are less than |12|. 
A(A < 12) 

%%
% The result is a subset of the elements in |A|.