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python Programming Glossary: numpy.ndarray

Prepare data for text classification using Scikit Learn SVM

http://stackoverflow.com/questions/13942744/prepare-data-for-text-classification-using-scikit-learn-svm

do to get the SVM work. And I found that SVM is using numpy.ndarray as the type of its data input. Do I need to create one based..

Compare (assert equality of) two complex data structures containing numpy arrays in unittest

http://stackoverflow.com/questions/14246983/compare-assert-equality-of-two-complex-data-structures-containing-numpy-arrays

easier to implement Seems the same to me. Edit Subclassing numpy.ndarray sounds very promising but obviously I don't have both sides..

Efficient slicing of matrices using matrix multiplication, with Python, NumPy, SciPy

http://stackoverflow.com/questions/14477448/efficient-slicing-of-matrices-using-matrix-multiplication-with-python-numpy-s

a 2d scipy.sparse.csr.csr_matrix let us call it A to a 2d numpy.ndarray let us call this B . A could be shape A 90 10 then B should..

How do I import data with different types from file into a Python Numpy array?

http://stackoverflow.com/questions/15481523/how-do-i-import-data-with-different-types-from-file-into-a-python-numpy-array

and convert afterwards. b numpy.loadtxt 'myfile.txt' dtype numpy.ndarray array '1' '2.0000' 'buckle_my_shoe' '3' '4.0000' 'margery_door'..

Numpy ?˜smart??symmetric matrix

http://stackoverflow.com/questions/2572916/numpy-smart-symmetric-matrix

transparent symmetrization you might consider subclassing numpy.ndarray and simply redefining __setitem__ class SymNDArray numpy.ndarray.. and simply redefining __setitem__ class SymNDArray numpy.ndarray def __setitem__ self i j value super SymNDArray self .__setitem__..

How to use NumPy array with ctypes?

http://stackoverflow.com/questions/3195660/how-to-use-numpy-array-with-ctypes

way to pass a NumPy array to ctypes code is to use the numpy.ndarray 's ctypes attribute's data_as method. Just make sure the underlying..

How to write a multidimensional array to a text file?

http://stackoverflow.com/questions/3685265/how-to-write-a-multidimensional-array-to-a-text-file

the following error TypeError float argument required not numpy.ndarray I assume that this is because the function doesn't work with.. uninformative error TypeError float argument required not numpy.ndarray for a 3D array import numpy as np x np.arange 200 .reshape 4..

Can i set float128 as the standard float-array in numpy

http://stackoverflow.com/questions/5350342/can-i-set-float128-as-the-standard-float-array-in-numpy

type hardcoded in as few places as possible. Sub class numpy.ndarray and only use your custom constructors to create new arrays...

sparse 3d matrix/array in Python?

http://stackoverflow.com/questions/7685128/sparse-3d-matrix-array-in-python

assuming other tensor is an N Dimensional NumPy array numpy.ndarray might look like this #cython boundscheck False #cython wraparound..