some_number = randn(); disp(some_number); some_numbers = randn([1 5]); disp(some_numbers); some_matrix = randn([2 3]); disp(some_matrix); noise = randn([2 3]); disp(noise); noise = randn([1 100]); [n, x] = hist(noise, [-3 -2 -1 0 1 2 3]); disp([x; n]); plot(x, n);