Why do I get ValueError : math domain error?

Why do I get ValueError : math domain error?

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Stack ...
This exception means that cos_angle is not a valid parameter for
math.acos. Specifically, in this example, it is just below -1, which is
out of acos definition.
stackoverflow.com/questions/13637400/​why-do-i-get... - Cached

python.matplotlib.general - ValueError: math domain error ...
Subject: ValueError: math domain error - msg#00231 ... Why do I get a math
domain error if I import scipy before pylab in cdiff.py (see attachment) ?
osdir.com/ml/python.matplotlib.general/​2005-06/msg00231.html - Cached

python - sqrt: ValueError: math domain error - Stack Overflow
Why do I get ValueError : math domain error? 1. ValueError: math domain
error. question feed. about help badges blog chat data legal privacy
policy jobs advertising ...
stackoverflow.com/.../sqrt-valueerror-​math-domain-error - Cached

ValueError: math domain error - Frets On Fire Fan Forum ...
ValueError: math domain error Traceback ... I would recommend that you do
this- ... or get the alarian mod, ...
www.fretsonfire.net/forums/​viewtopic.php?f=3&t=30041&... - Cached

Math Domain Error Sqrt Pytho at Askives
Why do I get a math domain error if I import scipy Nils> before pylab in
cdiff.py (see attachment) ? ... (Python 2.4a0) it raised > ValueError:
math domain error, ...
www.askives.com/math-domain-error-sqrt-​pytho.html - Cached

What does math domain error mean | DaniWeb
... File "<pyshell#1>", line 1, in <module> sqrt(-1) ValueError: math
domain error >>> sqrt(-1+0j ... Thanks now i understand why my quadratic
function is ...
www.daniweb.com/software-development/&#8203;python/threads/356777 - Cached

Quadratic Equation Solver Python, Math Module Error | DaniWeb
What I am doing wrong and why? The error I get is: Traceback ...
ValueError: math domain error. ... What do you mean?
www.daniweb.com/software-development/&#8203;python/threads/368539 - Cached

[Tutor] Little problem with math module
... (x, 1.0/3.0) > ValueError: math domain error > > but why is that? is
it impossible to calculate -20 ^ ... > > here on my calculator i get the
result -6,666666667, ...
mail.python.org/pipermail/tutor/2008-&#8203;April/061465.html - Cached

Issue 711019: math.log(0) differs from math.log(0L) - Python ...
... raises an OverflowError (range error) while math.log(0L) raises a
ValueError (domain ... the ability to get a good ... fit in a float.
That's why log ...
bugs.python.org/issue711019 - Cached

math 1 « math « Python Q&A - Programming tutorials and ...
When I do 1/2 in Python why does it give me zero? ... still I get zero.
Why? And how can I get ... File "<stdin>", line 1, in <module> ValueError:
math domain error
www.java2s.com/Questions_And_Answers/&#8203;Python/math/math-1.htm - Cached