SOLVED: For this problem, derive the optimization formulation including the objective function and constraints and then use Matlab linprog to solve it.The limit design of the five-bar truss shown in Figure is formulated as minimizing the weight of the truss subjected to equilibrium and stress constraints. The design variables are both the cross-sectional areas and the member forces. Assume that all bars are made of the same material with p=1, and yield stress σo=1.1 = 1P = 1

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