>> A=[0 0 1 0 ;0 0 0 1;65.8751 -16.8751 -3.7062 0.2760;-82.2122 82.2122 4.6254 -1.3444];B=[0;0;5.2184;-6.5125];C=[1 0 0 0;0 1 0 0];D=[0;0];
>> P1=-15;P2=-7;P3=-3+3i;P4=-3-3i;
>> P=[P1 P2 P3 P4];
>> K=place(A,B,P)

K =

    6.7018  -59.1786   -4.0222   -6.7468