6.2 MATLAB Functions Used 85 Solution This example is solved using MATLAB.The elastic modulus Er is calculated at each value of 0 between -90 and 900 in increments of 10 using the MATLAB function Ex. >Ex1=Ex(155.0,12.10,0.248,4.40,-90) Ex1= 12.1000 >>Ex2=Ex(155.0,12.10,0.248,4.40,-80) Ex2 11.8632 >Ex3=Ex(155.0,12.10,0.248,4.40,-70) Ex3 11.4059 >Ex4=Ex(155.0,12.10,0.248,4.40,-60) Ex4 11.2480 >>Ex5=Ex(155.0,12.10,0.248,4.40,-50) Ex5 11.9204 >Ex6=Ex(155.0,12.10,0.248,4.40,-40) Ex6= 14.1524 >Ex7=Ex(155.0,12.10,0.248,4.40,-30) Ex7 19.6820 >>Ex8=Ex(155.0,12.10,0.248,4.40,-20)6.2 MATLAB Functions Used 85 Solution This example is solved using MATLAB. The elastic modulus Ex is calculated at each value of θ between −90◦ and 90◦ in increments of 10◦ using the MATLAB function Ex . >> Ex1 = Ex(155.0, 12.10, 0.248, 4.40, -90) Ex1 = 12.1000 >> Ex2 = Ex(155.0, 12.10, 0.248, 4.40, -80) Ex2 = 11.8632 >> Ex3 = Ex(155.0, 12.10, 0.248, 4.40, -70) Ex3 = 11.4059 >> Ex4 = Ex(155.0, 12.10, 0.248, 4.40, -60) Ex4 = 11.2480 >> Ex5 = Ex(155.0, 12.10, 0.248, 4.40, -50) Ex5 = 11.9204 >> Ex6 = Ex(155.0, 12.10, 0.248, 4.40, -40) Ex6 = 14.1524 >> Ex7 = Ex(155.0, 12.10, 0.248, 4.40, -30) Ex7 = 19.6820 >> Ex8 = Ex(155.0, 12.10, 0.248, 4.40, -20)