MATLAB转子动力学工具箱instructions1Unpack the package maintain directory structure2cd to Rotfe25x in Matlab3type rotfeini in Matlab to add all the underneath directory to the path4run the demo slow by typing demo rotfe5run the torsional vibration demo somewhat incomplete sorry tst rotany.m6edit an example model e.g.simple4s.m run it using a.modeplot2simple4s use buttons to compute and manipulate display b.compute and display the Campbell diagram.