Execute MATLAB/Octave Online

% a = 5
% (6 * a ^ 2 + 5 * a - 1 + (a + 4)/(a + 1)) / (3 * a - 2 + (3/(a + 1)))

% x = 1.5
% y = 9.82

% T = sqrt(1-(sin(y) + sin(2*y) + sin(3*y) )/(1 + exp(x)))



% a = [34 78 -13 18 0 25]

% a = 71:-2:1


% a = round(linspace(20, 50, 30))

% a(-1)


w = rand(1,5) * (170-50) + 50
w(numel(w)-1) + w(numel(w))