apparently, i forgot to remind that there is no new homework for the coming week.
  please study for the midterm next friday.
  next homework will be due on 01 november.
  triple roots! (sheet7Fa.mws)
  4th-order undetermined coeff (sheet7Fb.mws)
  solution plot for #3.9.15 (code03.m)
  amplifier gain calculation (sheet7Wa.mws)
  mountain bike response calculation (sheet7Wb.mws)
  mountain bike resonance plot (sheet7Wc.mws)
  midterm memory sheet (pdf)
  exam permitted graphing calculators (list)
resonance ODE & cool movies