function [Aa,Ab,Ac]=abc(A0,A1,A2) a=cos(2*pi/3)+sin(2*pi/3)*i; T=zeros(3); T(1,1)=1;T(1,2)=1;T(1,3)=1; T(2,1)=1;T(2,2)=a^2;T(2,3)=a; T(3,1)=1;T(3,2)=a;T(3,3)=a^2; A=[A0;A1;A2]; B=T*A; Aa=B(1);Ab=B(2);Ac=B(3);