... rights reserved.24 AN INTRODUCTION TO THE FINITE ELEMENT METHOD Ritz method, we n eed to evaluate only B0j,j =0, 1, 2andF0.Allothercoefficientsare the same as in Eqs.(1) and (2). We have,B00=1,B01= ... w2µ∂ψ∂x∂ζ∂y−∂ψ∂y∂ζ∂x¶¸dxdy (2) PROPRIETARY MATERIAL.c°The M cGraw-Hill Companies, Inc. All rights reserved.10 AN INTRODUCTION TO THE FINITE ELEMENT METHOD Problem 2.6: Compute the coefficientmatrixandtheright-handsideoftheN-parameter ... Inc. All rights reserved.16 AN INTRODUCTION TO THE FINITE ELEMENT METHOD F1i=ZL0φiqdx, F2i=0 (4b)Substituting φi=sin(iπx/L)andψi=cos(iπx/L) into the above equations andevaluating...