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python Programming Glossary: numpy.empty

creating small arrays in cython takes a humongous amount of time

http://stackoverflow.com/questions/18410342/creating-small-arrays-in-cython-takes-a-humongous-amount-of-time

10 a numpy.random.random 10 a numpy.cumsum a a a 1 r numpy.empty 10 int print binary search creates an array N and performs N.. a u r ' sstr print time for just np.empty timeit.timeit 'numpy.empty 10 int ' sstr The binary search implementation takes in the..

Why is Python class not recognizing static variable

http://stackoverflow.com/questions/19985758/why-is-python-class-not-recognizing-static-variable

alphatbet abcdefghijklmnopqrstuvwxyz def __init__ self pop numpy.empty popSize object target getTarget targetSize len target When the.. alphatbet abcdefghijklmnopqrstuvwxyz def __init__ self pop numpy.empty self.popSize object target getTarget targetSize len target ..

Are NumPy's math functions faster than Python's?

http://stackoverflow.com/questions/3650194/are-numpys-math-functions-faster-than-pythons

loop lebigot@weinberg ~ python m timeit s 'import numpy a numpy.empty 1000 a.fill 3.15 ' 'numpy.abs a ' 100000 loops best of 3 6.47..

initialize a numpy array

http://stackoverflow.com/questions/4535374/initialize-a-numpy-array

a new array of given shape and type filled with ones. or numpy.empty Return a new array of given shape and type without initializing..

Numpy: Joining structured arrays?

http://stackoverflow.com/questions/5355744/numpy-joining-structured-arrays

offsets numpy.r_ 0 sizes.cumsum n len arrays 0 joint numpy.empty n offsets 1 dtype numpy.uint8 for a size offset in zip arrays..

Python: Making numpy default to float32

http://stackoverflow.com/questions/5721831/python-making-numpy-default-to-float32

the standard numpy constructors so numpy.zeros numpy.ones numpy.empty . That should go pretty close to keeping everything in float32...

How to copy data from a numpy array to another

http://stackoverflow.com/questions/6431973/how-to-copy-data-from-a-numpy-array-to-another

a pointer to my array that cannot change. For example a numpy.empty n dtype complex for i in xrange a.size a i b i It is possible.. python numpy share improve this question I believe a numpy.empty_like b a b will make a deep copy quickly. As Funsi mentions..