more for loop help

for c = 11:20
    if c~=11 && c~=14 && c~=17 && c~=20
        break
    end

% how can I loop through for all values of r, which are r=11,14,17,20????

end

Answer 1

[bym]

for k = 11:3:20
%do stuff
end

Answer 2

[Walter Roberson]

Or you could use

for k = [11,14,17,20]
%do stuff
end