MATLAB: How to make a variable as equal input over 30 sections

Question

    f = 100;
    z = 0.5 ;% how to make  it as equal inputs over 30  sections 
    b = 2; c = 4;
    Y = f*b*c*z; 
    disp(Y);

Answer 1

    f = 100;
    z = 0.5*ones(1,30) 
    b = 2;
    c = 4;
    Y = f*b*c*z; 
    disp(Y);