array([1.0 + 0j, 2.0 + 0j, 3.0 + 0j]), array([[-1.0 + 0j, 5.96300068e-17 + 
    0j, 9.95488924e-17 + 0j], [3.55591776e-17 + 0j, 1.0 + 0j, 
    -4.88997616e-16 + 0j], [-3.79110898e-17 + 0j, 1.16635626e-16 + 0j, 1.0 +
    0j], [-1.08397454e-17 + 0j, 1.23544164e-17 + 0j, 1.78854096e-15 + 0j],
    [1.68486368e-17 + 0j, -9.37965967e-18 + 0j, 2.05571432e-16 + 0j], [
    -2.97859557e-19 + 0j, -3.43100887e-18 + 0j, 3.35947574e-17 + 0j], [
    1.89565432e-17 + 0j, -3.61479402e-17 + 0j, -1.33021453e-17 + 0j], [
    -1.40925577e-18 + 0j, 3.1695307e-18 + 0j, 7.91193025e-17 + 0j], [
    6.76947854e-19 + 0j, -3.75674631e-19 + 0j, 3.61821551e-17 + 0j], [
    -3.07505146e-17 + 0j, -6.52050102e-17 + 0j, -8.57423599e-16 + 0j]])
Вычисление N наименьших собственных значений разреженной матрицы в Python