function [Minc1]=subMinc1sr(u) Minc1=zeros(9,6); Minc1(1,1)=-1; Minc1(2,2)=-1; Minc1(3,1)=1; Minc1(3,5)=-1; Minc1(4,2)=1; Minc1(4,5)=-1; Minc1(5,1)=1; Minc1(5,3)=-1; Minc1(6,2)=1; Minc1(6,4)=-1; Minc1(7,3)=1; Minc1(7,6)=-1; Minc1(8,4)=1; Minc1(8,6)=-1; Minc1(9,1)=1; Minc1(9,2)=-1; % Barra 1 = SA % Barra 2 = RA % Barra 3 = SB % Barra 4 = RB % Barra 5 = m % Barra 6 = p % Elemento 1 = G-SA(zs0) % Elemento 2 = G-RA(zr0) % Elemento 3 = SA-m % Elemento 4 = RA-m % Elemento 5 = SA-SB(zps) % Elemento 6 = RA-RB(zps) % Elemento 7 = SB-p % Elemento 8 = RB-p % Elemento 9 = zsr1