
python - What is inf and nan? - Stack Overflow
Jul 13, 2013 · inf is infinity - a value that is greater than any other value. -inf is therefore smaller than any other value. nan stands for Not A Number, and this is not equal to 0. Although positive and negative …
What is infinity divided by infinity? - Mathematics Stack Exchange
Aug 11, 2012 · I know that $\\infty/\\infty$ is not generally defined. However, if we have 2 equal infinities divided by each other, would it be 1? if we have an infinity divided by another half-as-big infinity, for
How to represent an infinite number in Python? - Stack Overflow
Aug 23, 2024 · How can I represent an infinite number in python? No matter which number you enter in the program, no number should be greater than this representation of infinity.
supremum and infimum - What does the notation inf {...} mean ...
Jul 21, 2018 · This answer is a bit like Q “what does etc. mean” being answered with “etc. means et cetera.” I.e. factually correct but not really what the OP was seeking. If the OP knew what infimum …
What is the point of float('inf') in Python? - Stack Overflow
Dec 14, 2015 · Just wondering over here, what is the point of having a variable store an infinite value in a program? Is there any actual use and is there any case where it would be preferable to use foo = …
real analysis - Supremum of Infimum and Infimum of Supremum ...
But does this even make sense? sup and inf are unique, so wouldn't $$\sup_ {y\in Y}\left (\inf_ {x\in X}f (x,y)\right) = \inf_ {x\in X}f (x,y)?? $$ and likewise for the inf of the sup...am I missing something?
Python: 'inf is inf', but '-inf is not -inf'? - Stack Overflow
7 -inf is an operation that produces a new float object, and you use it twice in the same expression. Two distinct objects are produced, because a Python implementation is not required to notice that both …
Infinite integer in Python - Stack Overflow
Jul 5, 2014 · Python 3 has float ('inf') and Decimal ('Infinity') but no int ('inf'). So, why a number representing the infinite set of integers is missing in the language? Is int ('inf') unreasonable?
difference between np.inf and float ('Inf') - Stack Overflow
Feb 18, 2017 · Is there some difference between NumPy np.inf and float ('Inf')? float ('Inf') == np.inf returns True, so it seems they are interchangeable, thus I was wondering why NumPy has defined its …
Numpy Infinity constants - Difference among inf, infty, Inf, Infty ...
In answer to which one to use when, the docs are pretty explicit "Use inf because Inf, Infinity, PINF and infty are aliases for inf." so always use inf and never use the other aliases.