Analyze the portal frame below by determining the end moments and check the deflection at each span by using stiffness matrix methods. where M1=25, M2=50,W=15, L=8m

M2 kN/m M1 kN/m D A 0.4 L 0.6 L W kN 0.6 L F E A 0.5 L 0.5 L >