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+//Part B Chapter 2 Example 7

+clc;

+clear;

+close;

+format('v',6);

+sigma1=600;//N/m^2(major)

+sigma_x=450;//N/m^2

+sigma_y=0;//N/m^2

+tau=sqrt((sigma1-(sigma_x+sigma_y)/2)^2-(sigma_x-sigma_y)^2/4);//N/mm^2

+disp(tau,"Maximum value of tau in N/mm^2 : ");

+sigma2=(sigma_x+sigma_y)/2-sqrt((sigma_x-sigma_y)^2/4+tau^2);//N/mm^2

+disp(sigma2,"Minimum principle stress(compressive) in N/mm^2 : ");