$matrix_2x2:

|  1.000+1.000i  2.000+1.000i |
|  1.000-2.000i  2.000-1.000i |

Inverse of $matrix_2x2:

| -0.353-0.412i -0.118+0.529i |
|  0.529+0.118i  0.176-0.294i |

$matrix_3x3:

|  1.00000+1.00000i  2.00000+1.00000i  3.00000+1.00000i |
|  1.00000-2.00000i  2.00000-1.00000i -2.00000+1.00000i |
| -1.00000+1.00000i  2.00000+1.00000i -1.00000+1.00000i |

Inverse of $matrix_3x3:

|  0.05235+0.14079i  0.13718+0.23105i -0.31949-0.16968i |
|  0.09747-0.15162i  0.08303-0.01805i  0.26715+0.02888i |
|  0.22383-0.07040i -0.06859-0.11552i -0.09025+0.08484i |