cell array

append single element to cell array

A = {'a1','a2'};

A{end+1} = 'a3'

'a1' 'a2' 'a3'

append multiple elements to cell array (combine / concatenate cell arrays horizontally)

A = {'a1','a2'};

B = {'b1','b2'};

A = [ A, B ]

'a1' 'a2' 'b1' 'b2'