How can I make a code to list all the student's name whose weight is greater than 71kg?

Student = struct('Name', ...
                  {'William','Romi','Russel','Mackly','Julia','Nimo','Bond','Mike','Rossel','Collom'}, ...
                 'Height', ...
                  {174,168,182,166,156,172,171,163,166,174}, ...
                 'Weight', ...
                  {76,62,72,60,62,80,90,48,56,72}, ...
                 'Gender', ...
                  {'M','F','M','M','F','F','M','M','F','M'})

Answer 1

[Image Analyst]

Try this:

Student = struct('Name',{'William','Romi','Russel','Mackly','Julia','Nimo','Bond','Mike','Rossel','Collom'},'Height',{174,168,182,166,156,172,171,163,166,174},'Weight',{76,62,72,60,62,80,90,48,56,72},'Gender',{'M','F','M','M','F','F','M','M','F','M'})
% Find which indexes have a weight of > 71
indexes = find([Student.Weight] > 71)
% List their names
for k = 1 : length(indexes)
    thisIndex = indexes(k);
    thisName = Student(thisIndex).Name;
    fprintf('%s weighs %d kg.\n', thisName, Student(thisIndex).Weight)
end