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    %% Number of Table Rows
% Create a table, |T|. 
LastName = {'Smith';'Johnson';'Williams';'Jones';'Brown'};
Age = [38;43;38;40;49];
Height = [71;69;64;67;64];
Weight = [176;163;131;133;119];
BloodPressure = [124 93; 109 77; 125 83; 117 75; 122 80];

T = table(Age,Height,Weight,BloodPressure,'RowNames',LastName)  

%% 
% Find the number of rows in table |T|. 
H = height(T) 

%%
% |T| contains five rows; |height| does not count the variable names.