%dilosi pinaka a = [1 2 31; 14 -5 6; 7 8 9] %ipologismos orizouas D = det(a) %idiotimes/anismata [eig_vectors,eig_values] = eig(a); %antistrofos I = inv(a) %anastrofos T = a' %xaraktiristiko polionimo p = poly(a) %Rizes polionimou roots(p) %sxdiash grafikwn parastasevn x = linspace(0,2*pi,100); plot(cos(x),'g') hold on plot(sin(x),'r')