MATLAB: Short code for the expression

Question

h =2;

P = [1, 4, 5, 7];

a1 = (1-h)* 1 + h * P(:, 1);

a2 = (1-h) * a1 + h * P(:, 2);

a3 = (1-h) * a2 + h * P(:, 3);

a4 = (1-h) * a3 + h * P(:, 4);

disp(a1) = 1

disp(a2) = 7

disp(a3) = 3

disp(a4) = 11

Answer 1

a = num2cell( (1-h) * repmat( (1-h) * 1 + h * P(1), 1, 4) + h * P ) ;
[a1, a2, a3, a4] = deal( a{:} )