- 21:22, 23 January 2021 diff hist -113 Exercise 3.4Z: Trapezoid, Rectangle and Triangle
- 21:11, 23 January 2021 diff hist -13 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 21:11, 23 January 2021 diff hist -80 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 20:48, 23 January 2021 diff hist -66 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 20:48, 23 January 2021 diff hist -4 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 20:38, 23 January 2021 diff hist 0 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 20:36, 23 January 2021 diff hist -38 Exercise 3.4: Trapezoidal Spectrum and Pulse
- 20:10, 23 January 2021 diff hist +16 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 19:46, 23 January 2021 diff hist -69 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 23:19, 20 January 2021 diff hist -33 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 23:18, 20 January 2021 diff hist -39 Exercise 3.3Z: Rectangular Pulse and Dirac Delta
- 23:14, 20 January 2021 diff hist +26 Exercise 3.3: From the Signal to the Spectrum
- 22:45, 20 January 2021 diff hist -42 Exercise 3.3: From the Signal to the Spectrum
- 22:30, 20 January 2021 diff hist -50 Exercise 3.3: From the Signal to the Spectrum
- 22:18, 20 January 2021 diff hist +19 Exercise 3.3: From the Signal to the Spectrum
- 22:06, 20 January 2021 diff hist -8 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 22:06, 20 January 2021 diff hist -23 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 21:52, 20 January 2021 diff hist -23 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 21:33, 20 January 2021 diff hist -46 Exercise 3.2Z: Sinc-Squared Spectrum with Diracs
- 23:47, 17 January 2021 diff hist -128 Exercise 3.2: From the Spectrum to the Signal