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python Programming Glossary: k2

Multiple keys per value

http://stackoverflow.com/questions/11449232/multiple-keys-per-value

solution is to assign value to each key dict 'k1' 'v1' 'k2' 'v1' 'k3' 'v1' 'k4' 'v2' but this is not memory efficient since.. make a dictionary of dictionary keys key_dic 'k1' 'k1' 'k2' 'k1' 'k3' 'k1' 'k4' 'k4' dict 'k1' 'v1' 'k4' 'v2' main_key.. 'k1' 'k4' 'k4' dict 'k1' 'v1' 'k4' 'v2' main_key key_dict 'k2' value dict main_key This is also very time and effort consuming..

2D and 3D Scatter Histograms from arrays in Python

http://stackoverflow.com/questions/14002480/2d-and-3d-scatter-histograms-from-arrays-in-python

for i1 j1 v1 in np.ndenumerate ax1 0 if v1 0 continue for k2 v2 in enumerate ax2 0 i1 v3 ax3 0 k2 j1 if v1 0 or v2 0 or.. if v1 0 continue for k2 v2 in enumerate ax2 0 i1 v3 ax3 0 k2 j1 if v1 0 or v2 0 or v3 0 continue num min v1 v2 v3 smart i1.. v1 0 or v2 0 or v3 0 continue num min v1 v2 v3 smart i1 j1 k2 num v1 num v2 num v3 num points for i j k v in np.ndenumerate..

Need to compare very large files around 1.5GB in python

http://stackoverflow.com/questions/16110252/need-to-compare-very-large-files-around-1-5gb-in-python

use UNIX sort using email and this new field that is sort k2 k4 n t converted_input_file output_file Initialize 3 variable.. 4 3 3 substr 4 1 2 00 00 00 ' input.txt usr bin sort k2 k7 n t output_file.txt output_file.txt DF 00000000@11111.COM..

Pagination using scrapy

http://stackoverflow.com/questions/16129071/pagination-using-scrapy

elecCapacity elecDisplaySize narrowage color prc k1 k2 k3 k4 k5 k6 k7 k8 k9 k10 k11 k12 startPrize endPrize newArrival..

Numerical Integration over a Matrix of Functions, SymPy and SciPy

http://stackoverflow.com/questions/16295140/numerical-integration-over-a-matrix-of-functions-sympy-and-scipy

k1 22 integrating k1 74 lambdifying and integrating k2 2 extracting eigenvalues 0 Related questions about lambdify.. calculation seems to be diagonal in the sense that k1 and k2 are both of the form k g^T X g where X is some 5x5 matrix with.. g3 g4 g5 and tmp evaluateExpr B g k1 r tmp.transpose F tmp k2 r g.transpose evaluateExpr Bc g k2 evaluateExpr k2 by tmp_right..

python code for multiple ode

http://stackoverflow.com/questions/16748433/python-code-for-multiple-ode

x0 n for i in xrange n 1 h t i 1 t i f0 f x i t i k1 h f0 k2 h f x i 0.5 k1 t i 0.5 h k3 h f x i 0.5 k2 t i 0.5 h k4 h f.. x i t i k1 h f0 k2 h f x i 0.5 k1 t i 0.5 h k3 h f x i 0.5 k2 t i 0.5 h k4 h f x i k3 t i 1 x i 1 x i h 55.0 f0 59.0 k1 37.0.. 0.5 h k4 h f x i k3 t i 1 x i 1 x i h 55.0 f0 59.0 k1 37.0 k2 9.0 k3 24.0 return x Am I right When I execute it it gives me..

python dictionary values sorting

http://stackoverflow.com/questions/6046049/python-dictionary-values-sorting

1.4 b 7.7 c 9.0 d 2.5 e 2.0 k1 sorted dict1 key dict1.get k2 sorted dict2 key dict2.get diffs dict k k2.index k k1.index.. key dict1.get k2 sorted dict2 key dict2.get diffs dict k k2.index k k1.index k for k in dict1 A more efficient less readable..