Errata

This page tracks errors and corrections made to the book after the print publication.

Errors listed here have been corrected in the online version.

If you believe you have found an error in the current version of the text, please report it on GitHub.

• 2026-01-05: Corrected the order value of the butterworth filter used in Figure 11.6.

• 2026-01-05: Corrected a mismatch between filter orders described in the text surrounding figure 10.7.

• 2026-01-05: Updated all complex array allocations to use dtype=complex instead of the older, dtype=np.complex style.

• 2026-01-05: Corrected a typo in section 7.2: “cancels totals”.

• 2026-01-05: Corrected a typo in section 12.3: “has again be expressed”.

• 2026-01-05: Added explicit gain value parameter to factorized form of transfer functions in section 12.4.4, and accompanying margin note.

• 2026-01-05: Adjusted formatting of the proof of lemma 5.1 (Section 5.7).