CummulatedRestrainedList3.m PlaneFrame.txt PlaneFrameMemberConcentratedLoad.m PlaneFrameMemberDistributionLoad.m PlaneFrameMemberGlobalStiffnessMatrix.m PlaneFrameMemberLocalStiffnessMatrix.m PlaneFrameRotationMatrix.m readprocess(file).m StiffnessMatrixEquationSolutionWithElasticRestraint.m