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python Programming Glossary: numbers

Python math is wrong [duplicate]

http://stackoverflow.com/questions/11950819/python-math-is-wrong

Possible Duplicate Python rounding error with float numbers Python 2.7.3 v2.7.3 70274d53c1dd Apr 9 2012 20 52 43 GCC 4.2.1.. 4.0 1.0 Why is Python getting its maths wrong python math numbers share improve this question You have reached a new level..

Fastest way to list all primes below N in python

http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python

a couple of Project Euler's questions. def get_primes n numbers set range n 1 1 primes while numbers p numbers.pop primes.append.. def get_primes n numbers set range n 1 1 primes while numbers p numbers.pop primes.append p numbers.difference_update set.. n numbers set range n 1 1 primes while numbers p numbers.pop primes.append p numbers.difference_update set range p 2..

Python “is” operator behaves unexpectedly with integers

http://stackoverflow.com/questions/306313/python-is-operator-behaves-unexpectedly-with-integers

here why is this False 257 is 257 True # yet the literal numbers compare properly I am using Python 2.5.2. Trying some different.. are the same and I don't know in advance whether they are numbers or not python comparison identity share improve this question..

python limiting floats to two decimal points

http://stackoverflow.com/questions/455612/python-limiting-floats-to-two-decimal-points

You are running into the old problem with floating point numbers that all numbers cannot be represented. The command line is.. into the old problem with floating point numbers that all numbers cannot be represented. The command line is just showing you.. Since computers are binary they store floating point numbers as an integer and then divide it by a power of two so 13.95..

Python rounding error with float numbers

http://stackoverflow.com/questions/5997027/python-rounding-error-with-float-numbers

rounding error with float numbers I don't know if this is an obvious bug but while running a.. i 100 if i a print i a And I can't see any pattern in the numbers for which this rounding error happens. Does anyone knows why.. Does anyone knows why this happens with those lucky numbers Thanks in advance. python share improve this question Any..

python captcha decoder library

http://stackoverflow.com/questions/13664161/python-captcha-decoder-library

PAT_SIZE 8 10 NUMS 3 FIRST_NUM_OFFSET 5 NUM_OFFSET 1 3 NUMBERS for i in xrange 10 try NUMBERS.append Image.open 'n d.png' i.. 5 NUM_OFFSET 1 3 NUMBERS for i in xrange 10 try NUMBERS.append Image.open 'n d.png' i .load except IOError print I do.. print I do not know the pattern for the number d. i NUMBERS.append None def magic fname captcha ImageOps.grayscale Image.open..

python calculator program [closed]

http://stackoverflow.com/questions/13664759/python-calculator-program

NUMBER FOR CALCULATION if CHOICE 1 print 'ADDING TWO NUMBERS ' add c elif CHOICE 2 print 'SUBTRACTING TWO NUMBERS ' sub c.. TWO NUMBERS ' add c elif CHOICE 2 print 'SUBTRACTING TWO NUMBERS ' sub c elif CHOICE 3 print 'MULTIPLYING TWO NUMBERS ' Mul c.. TWO NUMBERS ' sub c elif CHOICE 3 print 'MULTIPLYING TWO NUMBERS ' Mul c elif CHOICE 4 print DIVIDEING TWO NUMBERS Div c elif..

How to create a list of random integer vector whose sum is x

http://stackoverflow.com/questions/11380491/how-to-create-a-list-of-random-integer-vector-whose-sum-is-x

or normal by a simple test counter example of Law of Large Numbers. Dougal also suggested to use numpy's multinomial function which..

Lazy infinite sequences in Clojure and Python

http://stackoverflow.com/questions/1587412/lazy-infinite-sequences-in-clojure-and-python

Edit I'm opening a follow up question at Clojure Prime Numbers python clojure share improve this question I like def fibs..

Generating List of N Random Numbers Between a Range of Numbers

http://stackoverflow.com/questions/17749629/generating-list-of-n-random-numbers-between-a-range-of-numbers

List of N Random Numbers Between a Range of Numbers I'd like to generate a list of n_length.. List of N Random Numbers Between a Range of Numbers I'd like to generate a list of n_length consisting of randomly..

Strange behaviour on Google Chart

http://stackoverflow.com/questions/20528300/strange-behaviour-on-google-chart

See charts for interval of 12 and interval of 6 from 7 12. Numbers on x axis should be months but I didn't want to spend to much..

What is the difference between 'log' and 'symlog'?

http://stackoverflow.com/questions/3305865/what-is-the-difference-between-log-and-symlog

mode pyplot.ion # Draw the grid lines pyplot.grid True # Numbers from 50 to 50 with 0.1 as step xdomain numpy.arange 50 50 0.1..

How can I represent an 'Enum' in Python?

http://stackoverflow.com/questions/36932/how-can-i-represent-an-enum-in-python

enum enums return type 'Enum' enums which is used like so Numbers enum ONE 1 TWO 2 THREE 'three' Numbers.ONE 1 Numbers.TWO 2 Numbers.THREE.. is used like so Numbers enum ONE 1 TWO 2 THREE 'three' Numbers.ONE 1 Numbers.TWO 2 Numbers.THREE 'three' You can also easily.. so Numbers enum ONE 1 TWO 2 THREE 'three' Numbers.ONE 1 Numbers.TWO 2 Numbers.THREE 'three' You can also easily support automatic..

How to implement “autoincrement” on Google AppEngine

http://stackoverflow.com/questions/3985812/how-to-implement-autoincrement-on-google-appengine

in a strong monotone increasing fashion. Be it Invoice Numbers shipping label numbers or the like. A number MUST NOT BE used..

Assign a value to class variable is assiging it for all instances of that object

http://stackoverflow.com/questions/4929969/assign-a-value-to-class-variable-is-assiging-it-for-all-instances-of-that-object

object below for the example. class Fleet Stores Fleet Numbers Represents a fleet shipNamesandNumber def addShip self type.. through this function call every object with shipNamesandNumbers is incremented by the numToAdd. This happens even those the..

How to write the Fibonacci Sequence in Python

http://stackoverflow.com/questions/494594/how-to-write-the-fibonacci-sequence-in-python

from Fib sequence. Once you know how to generate Fibonacci Numbers you just have to cycle trough the numbers and check if they..

Convert Bytes to Floating Point Numbers in Python

http://stackoverflow.com/questions/5415/convert-bytes-to-floating-point-numbers-in-python

Bytes to Floating Point Numbers in Python I have a binary file that I have to parse and I'm..

python when to use copy.copy

http://stackoverflow.com/questions/7046971/python-when-to-use-copy-copy

nothing else. What you're asking about is mutable types. Numbers strings tuples frozensets booleans None are immutable. Lists..