Problem 1: Develop a computer program using Excel or Matlab that analyzes generalized plane stress problems.The program should get the input from the users as sigma (x),sigma (y),sigma (z) and au (xy) and generate the following results:(a) The principal stress sigma (1),sigma (2) and sigma (3)(b) The maximum shear stresses au (1), au (2) and au (3)(c) The planes of principal stress and maximum shear stress(d) Mohr circleTo try your program use the following stress state: sigma (x)=345,sigma (

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