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python Programming Glossary: sqrtFastest way to list all primes below N in python http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python bin env python import psyco psyco.full from math import sqrt ceil import numpy as np def rwh_primes n # http stackoverflow.com.. 23 tk23 29 tk29 pos prime lastadded stop 0 0 0 int ceil sqrt N # inner functions definition def del_mult tk start step for.. assert end 0 lng end 1 2 sieve False lng 1 x_max x2 xd int sqrt end 1 4.0 0 4 for xd in xrange 4 8 x_max 2 8 x2 xd y_max int..
What are “named tuples” in Python? http://stackoverflow.com/questions/2970608/what-are-named-tuples-in-python the following pt1 1.0 5.0 pt2 2.5 1.5 from math import sqrt line_length sqrt pt1 0 pt2 0 2 pt1 1 pt2 1 2 Using a named tuple.. pt1 1.0 5.0 pt2 2.5 1.5 from math import sqrt line_length sqrt pt1 0 pt2 0 2 pt1 1 pt2 1 2 Using a named tuple it becomes more.. 'x y' pt1 Point 1.0 5.0 pt2 Point 2.5 1.5 from math import sqrt line_length sqrt pt1.x pt2.x 2 pt1.y pt2.y 2 However named tuples..
How to write the Fibonacci Sequence in Python http://stackoverflow.com/questions/494594/how-to-write-the-fibonacci-sequence-in-python and very very fast to compute in Python def F n return 1 sqrt 5 n 1 sqrt 5 n 2 n sqrt 5 An other way to do it is following.. very fast to compute in Python def F n return 1 sqrt 5 n 1 sqrt 5 n 2 n sqrt 5 An other way to do it is following the definition.. compute in Python def F n return 1 sqrt 5 n 1 sqrt 5 n 2 n sqrt 5 An other way to do it is following the definition from wikipedia..
ode integration in python versus mathematica results http://stackoverflow.com/questions/16222302/ode-integration-in-python-versus-mathematica-results mm M me mm Mu 1 398600 Mu 2 G mm Mu Mu 1 Mu 2 CapitalOmega Sqrt Mu r12^3 Nu Pi 4 xl4 384400 2 4671 yl4 Sqrt 3 2 384400 N Solve.. 2 CapitalOmega Sqrt Mu r12^3 Nu Pi 4 xl4 384400 2 4671 yl4 Sqrt 3 2 384400 N Solve CapitalOmega ^2 xl4^2 yl4^2 2 Mu 1 r12 2.. Pi 2 r12 N y re 200 Sin Nu N C 1.56824 19.3098 4651.35 vbo Sqrt CapitalOmega ^2 x ^2 y ^2 2 Mu 1 Sqrt x Pi 2 r12 ^2 y ^2 2 Mu..
Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell http://stackoverflow.com/questions/6964392/speed-comparison-with-project-euler-c-vs-python-vs-erlang-vs-haskell factorCount Number math sqrt Number 1 0 . factorCount _ Sqrt Candidate Count when Candidate Sqrt Count factorCount _ Sqrt.. 1 0 . factorCount _ Sqrt Candidate Count when Candidate Sqrt Count factorCount _ Sqrt Candidate Count when Candidate Sqrt.. Candidate Count when Candidate Sqrt Count factorCount _ Sqrt Candidate Count when Candidate Sqrt Count 1 factorCount Number..
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