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It will be seen that the coefficients in [K] are assembled from the

It will be seen that the coefficients in [K] are assembled from the coefficients in the element stiffness matrices [k]A and [k]B' [K] is called the assembly stiffness matrix. In the general case of an assembly consisting of n nodes, each having two degrees of freedom, the size of [K] will be 2n x 2n.