count = 0; for j = -40:1:40, for i = -20:1:20; if ( ( ((i-10)^2+(j-10)^2)<35 ) | ( ((i-10)^2+(j-10)^2/4)<50 ) ) % if ( ( ((i-10)^2+(j-10)^2)<35 ) ) % if ( ( ((i-10)^2+(j-10)^2/4)<40 ) ) count = count + 1; end end end count