matlab空间桁架计算程序

可计算空间桁架受力及绘制形变图，内附说明Forexample:Forceinthemember2-4=Force(6)=0.8385e4Displacementofnode4inydirection=0.0172Reactionofnode8inzzirection=-0.4250e4Note:Ifthestructureisunstable,thiswarningisappeared:Warning:Matrixissingulartoworkingprecision.SomeoftheForces&Displacementsaree