QUEUTION ONE $(1)$

Carry out hand calculations and thereafter develop matlab based codes to solve the problem.Detrmine the nodal displacements, the forces in each element and the reactions.

$($i$)$E$=200$GPa

$A=30{40}^{-4}{m}^2$

$($ii$)$

$E=210$GPa

$A=3{10}^{-4}{m}^2$