1. Create directory result and waveform in a rational place to store analysis results and simulated waveforms
2. To test methods, in command line, run (take fbmp method as an example)

   make method=fbmp
   

   Noted: try option -n first to avoid mistake
3. To draw vs- pictures, in command line, run

   make vs
   

   Noted: try option -n first to avoid mistake
4. Figures in Note are all generated by latexdemo.ipynb and vs.py