%*****************************************************
% This file contains the errata for the book:
%
% Kevin M. Passino and Stephen Yurkovich, Fuzzy Control, 
% Addison Wesley Longman, Menlo Park, CA, 1998.
% 
% Errata Version: 4/8/99
% This is the last date that any additions were made
% to the errata for this book.  For the latest edition
% of the errata see:
%               http://www.awl.com/cseng/
%        ftp://ftp.aw.com/cseng/authors/passino/fc
% (use anonymous ftp).  
%
%*****************************************************

Preface: p. vii: A more direct link for the web site 
for the book is:

http://www.awl.com/cseng/titles/0-201-18074-X

(rather than the one that is also given above).

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Chapter 1: No errors found yet.
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Chapter 2: 

- p. 24: Line -3, change "velocity" to "acceleration"

- p. 51: Last line of the first paragraph should read
"... is true "and" another is true" (i.e., change "it" 
to "is").

- p. 68: First line, second paragraph, insert word "is"
before "sometimes"

- p. 98: Line 9: remove the word "not", lines 9-10, 
remove "(besides the fuzzy set with a Gaussian 
membership function)"


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Chapter 3: No errors found yet.
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Chapter 4: No errors found yet.
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Chapter 5: 

- p. 239: Line 17 (line just before Eq. (5.19)): The
zero (0) should be a one (1).

- p. 258: Line 4 (the equation following "... gradient
vectors"): The \partial in the numerator on the right
side should be removed.

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Chapter 6: 

- The code for the solution to E6.1 (Matlab version)
had a typo in it so you should get the new version
of that code that is at the web site.

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Chapter 7: No errors found yet.
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Chapter 8: 

- p. 421: The hyperbolic tangent function should be 
defined as:

f(z)=tanh(z/2)=(1-exp(-z))/(1+exp(-z))

so that there were two typos since there needs to be 
two minus signs, one each on each z variable, in the
expression on the right hand side of the equation.

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