TEXTBOOK AND LECTURE-SLIDE ERRATA
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This document contains errata for the following textbook and lecture slides:

    M. D. Adams,
    Signals and Systems (Edition 6.0)
    Dec. 2024.

    M. D. Adams,
    Lecture Slides for Signals and Systems (Edition 6.0)
    Dec. 2024.

Below is a list of errors that have been reported to date.

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Date: 2025-05-07
Name: Nick Martini
Description:

textbook, p. 64
In Exercise 3.1 in Section 3.9.1 "Exercises Without Answer Key", an "and"
comes before the second last list item (e) [after list item (d)], in the
semicolon-separated list.  The "and" should follow the semicolon of list
item (e).

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Date: 2025-06-12
Name: Lucas Buchanan
Description:

solution manual, solution for Exercise 4.11(a)
In the 2nd line for the formula for h(t) (1st case), the ">" should be ">=".

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Date: 2025-11-10
Name: Lachlan Lunny
Description:

textbook
p.136, Section 5.5
the text
   “… whereas the the exponential form involves some complex quantities …”
should read
   “… whereas the exponential form involves some complex quantities …”
(i.e., the word "the" is duplicated)

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Date: 2025-11-10
Name: Lachlan Lunny
Description:

textbook
Chapter 11, p.511, Fourier transform exercises
11.2 and 11.3
The text
    “… transform pairs and and properties of the Fourier transform …”
should be
    “… transform pairs and properties of the Fourier transform …”
(i.e., the word "and" is duplicated).

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Date: 2025-11-10
Name: Lachlan Lunny
Description:

textbook
p. 180, 2nd last paragraph
The text
    “… we can show that that …”
should read
    “… we can show that …”

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Date: 2025-11-10
Name: Lachlan Lunny
Description:

textbook
p. 375
The text
    “… we can deduce that that there are five cases …”
should read
    “… we can deduce that there are five cases …”

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Date: 2025-11-12
Name: Michael Adams
Description:

textbook
p. 470, 2nd last paragraph
The text
    “… we can show that that …”
should read
    “… we can show that …”

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Date: 2025-11-12
Name: Michael Adams
Description:

textbook
p. 515
Exercise 11.101
The text
    “… transform pairs and and properties of the Fourier transform …”
should be
    “… transform pairs and properties of the Fourier transform …”
(i.e., the word "and" is duplicated).

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Date: 2025-11-12
Name: Michael Adams
Description:

solutions manual
p. 335
Exercise 6.30
The text
    Namely, we have that that
should read
    Namely, we have that

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Date: 2025-11-12
Name: Michael Adams
Description:

solutions manual
p. 589, Exercise 10.101, 2nd sentence in answer.
The text
    Suppose that that ...
should read
    Suppose that ...

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Date: 2025-11-12
Name: Michael Adams
Description:

solutions manual
p. 704, Exercise A.10, 2nd sentence in answer.
The text
    Suppose that that ...
should read
    Suppose that ...

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Date: 2025-11-12
Name: Michael Adams
Description:

textbook
p. 194, Section 6.13, 5th line
The text
    using the the time-domain
should read
    using the time-domain

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Date: 2025-11-12
Name: Michael Adams
Description:

textbook
p. 518, Section 12.3, 4th last line
The text
    primarily on the the bilateral
should read
    primarily on the bilateral

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Date: 2025-11-12
Name: Michael Adams
Description:

solutions manual
p. 671, Exercise 12.12, part (e), last line
The text
    cannot be be stable
should read
    cannot be stable

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Date:
Name:
Description:

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