... squares method and the Galerkin method give the same equations. Furthermore, the solutionof the Galerkin and least squares methods would be the same as that of the Ritz method. For the collocation method, ... All rights reserved.10 AN INTRODUCTION TO THE FINITE ELEMENT METHOD Problem 2.6: Compute the coefficientmatrixandtheright-handsideoftheN-parameter Ritz approximation of the equation−ddx∙(1 ... ERIAL.c The McGraw-Hill Companies, Inc. All rights reserved.22 AN INTRODUCTION TO THE FINITE ELEMENT METHOD Since the residual is a constant, the coefficient c1,inany weighted—residual method is...