9.2 MATLAB Functions Used 175 EDU>>z5=0.400 z5= 0.4000 Next,the [A]matrix is calculated using four calls to the MATLAB function Amatriz as follows: EDU>>A=zeros(3,3) A= 0 0 0 0 0 0 0 0 0 EDU>>A Amatrix(A,Qbar1,z1,z2) A= 31.1496 0.6031 0 0.6031 2.4317 0 0 0.8800 EDU>>A Amatrix(A,Qbar2,z2,z3) A= 33.5812 1.2061 -0.0000 1.2061 33.5812 0.0000 -0.0000 0.0000 1.7600 EDU>>A Amatrix(A,Qbar3,z3,z4) A= 36.0129 1.8092 -0.0000 1.8092 64.7308 0.0000 -0.0000 0.0000 2.6400 EDU>>A Amatrix(A,Qbar4,z4,z5) A= 67.1625 2.4122 -0.0000 2.4122 67.1625 0.0000 -0.0000 0.0000 3.5200 Finally,five calls are made to the five MATLAB functions introduced in this chapter to calculate the five effective elastic constants of this laminate.9.2 MATLAB Functions Used 175 EDU>> z5 = 0.400 z5 = 0.4000 Next, the [A] matrix is calculated using four calls to the MATLAB function Amatrix as follows: EDU>> A = zeros(3,3) A = 000 000 000 EDU>> A = Amatrix(A,Qbar1,z1,z2) A = 31.1496 0.6031 0 0.6031 2.4317 0 0 0 0.8800 EDU>> A = Amatrix(A,Qbar2,z2,z3) A = 33.5812 1.2061 -0.0000 1.2061 33.5812 0.0000 -0.0000 0.0000 1.7600 EDU>> A = Amatrix(A,Qbar3,z3,z4) A = 36.0129 1.8092 -0.0000 1.8092 64.7308 0.0000 -0.0000 0.0000 2.6400 EDU>> A = Amatrix(A,Qbar4,z4,z5) A = 67.1625 2.4122 -0.0000 2.4122 67.1625 0.0000 -0.0000 0.0000 3.5200 Finally, five calls are made to the five MATLAB functions introduced in this chapter to calculate the five effective elastic constants of this laminate