function[z0]=subz0_1(zs0,zr0,zl0,zlM0,m,p) z0=zeros(6); z0(1,1)=zs0; z0(2,2)=zr0; z0(3,3)=zl0*m; z0(4,4)=zl0*p; z0(5,5)=zl0*(1-m); z0(6,6)=zl0*(1-p); if m<=p z0(3,4)=zlM0*m; z0(4,5)=-zlM0*(p-m); z0(5,6)=zlM0*(1-p); z0(4,3)=z0(3,4); z0(5,4)=z0(4,5); z0(6,5)=z0(5,6); else z0(3,4)=zlM0*p; z0(3,6)=-zlM0*(m-p); z0(5,6)=zlM0*(1-m); z0(4,3)=z0(3,4); z0(6,3)=z0(3,6); z0(6,5)=z0(5,6); end