python Programming Glossary: exp

Calculating logarithm, why is this algorithm not efficient, and how to make it more efficient?

http://stackoverflow.com/questions/13205078/calculating-logarithm-why-is-this-algorithm-not-efficient-and-how-to-make-it-m

is very efficient. This is my code in Python def myLog x b exp 0 ans b exp while x ans ans b exp if ans x return exp exp exp.. This is my code in Python def myLog x b exp 0 ans b exp while x ans ans b exp if ans x return exp exp exp 1 So I could.. in Python def myLog x b exp 0 ans b exp while x ans ans b exp if ans x return exp exp exp 1 So I could give it myLog 16 2..

python image recognition [closed]

http://stackoverflow.com/questions/1603688/python-image-recognition

else sizey int sizey x y mgrid size size 1 sizey sizey 1 g exp x 2 float size y 2 float sizey return g g.sum share improve..

Find out into how many values a return value will be unpacked

http://stackoverflow.com/questions/16481156/find-out-into-how-many-values-a-return-value-will-be-unpacked

in production code. It actually looks like something I'd expect in Perl. I'm not looking for a different way to solve my.. 284742 finding out the number of values the caller is exp import inspect import dis def expecting offset 0 Return how.. of values the caller is exp import inspect import dis def expecting offset 0 Return how many values the caller is expecting..

Python unittest: Generate multiple tests programmatically? [duplicate]

http://stackoverflow.com/questions/2798956/python-unittest-generate-multiple-tests-programmatically

python I have a function to test under_test and a set of expected input output pairs 2 332 234 99213 9 3 # ... I would like.. class TestPreReqs unittest.TestCase def setUp self self.expected_pairs 23 55 4 32 def test_expected self for exp in self.expected_pairs.. def setUp self self.expected_pairs 23 55 4 32 def test_expected self for exp in self.expected_pairs self.assertEqual under_test..

Inverse Distance Weighted (IDW) Interpolation with Python

http://stackoverflow.com/questions/3104781/inverse-distance-weighted-idw-interpolation-with-python

the points I need. Even with this modification I wouldn't expect performance to be all that great. I will look into this option.. matter. In contrast the commonly used Gaussian kernel exp distance h 2 is exceedingly sensitive to distance and to h...

Is there a generator version of `string.split()` in Python?

http://stackoverflow.com/questions/3862010/is-there-a-generator-version-of-string-split-in-python

too many substrings. import re def itersplit s sep None exp re.compile r' s ' if sep is None else re.escape sep pos 0 while.. s ' if sep is None else re.escape sep pos 0 while True m exp.search s pos if not m if pos len s or sep is not None yield..

Removing Trailing Zeros in Python

http://stackoverflow.com/questions/5807952/removing-trailing-zeros-in-python

return 'bad' tup dec.as_tuple delta len tup.digits tup.exponent digits ''.join str d for d in tup.digits if delta 0 zeros.. ''.join str d for d in tup.digits if delta 0 zeros abs tup.exponent len tup.digits val '0.' '0' zeros digits else val digits.. val '0.' '0' zeros digits else val digits delta '0' tup.exponent '.' digits delta val val.rstrip '0' if val 1 '.' val val..

numpy arbitrary precision linear algebra

http://stackoverflow.com/questions/6876377/numpy-arbitrary-precision-linear-algebra

. I want to find the eigenvalues of the element wise exponent of it. The problem is that some of the values are quite.. of the values are quite negative 800 1000 etc and their exponents underflow meaning they are so close to zero so that numpy.. Missing part a np.array 800.21 600.00 600.00 1000.48 ex np.exp a ## Currently warns about underflow eigvals eigvecs np.linalg.eig..