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Questions tagged numpy

308 questions · page 1 of 7

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41
votes
7
answers

wrapping around slices in Python / numpy

python numpy
asked 2013-07-19T06:36:45.363
8
votes
1
answers

Can numpy einsum() perform outer addition?

python arrays numpy
asked 2013-07-11T20:24:21.373
18
votes
1
answers

Gaussian Smoothing an image in python

python numpy scipy gaussian smoothing
asked 2013-07-11T14:20:19.567
13
votes
1
answers

Difference between Numpy and Numpy-MKL?

python-2.7 numpy scipy python-import intel-mkl
asked 2013-07-07T14:31:50.027
22
votes
6
answers

Python - is there a way to implement __getitem__ for multidimension array?

python arrays python-2.7 numpy multidimensional-array
asked 2013-07-04T21:27:31.303
23
votes
4
answers

Getting the mean of multiple axis of a numpy array

python numpy
asked 2013-07-01T03:56:54.357
17
votes
2
answers

Python Slice Notation with Comma/List

python list numpy slice
asked 2013-06-28T17:53:34.363
22
votes
3
answers

numpy loadtxt skip first row

python bash csv numpy import-from-csv
asked 2013-06-17T15:25:56.093
19
votes
13
answers

Numpy 2d and 1d array to latex bmatrix

python numpy latex
asked 2013-06-16T01:00:41.620
21
votes
1
answers

numpy array that is (n,1) and (n,)

python arrays numpy dimensions
asked 2013-06-08T01:23:21.897
133
votes
9
answers

Translate every element in numpy array according to key

python numpy
asked 2013-06-07T20:49:12.800
9
votes
1
answers

Error when trying to apply log method to pandas data frame column in Python

python numpy pandas dataframe
asked 2013-06-06T17:27:34.363
11
votes
3
answers

Building 64-bit Python extensions with f2py on Windows

numpy mingw f2py python-extensions mingw-w64
asked 2013-06-05T00:15:28.560
25
votes
5
answers

Peak detection in a noisy 2d array

python image-processing numpy matplotlib
asked 2013-05-30T17:51:18.757
76
votes
14
answers

What's an efficient way to find if a point lies in the convex hull of a point cloud?

python numpy convex-hull
asked 2013-05-25T14:41:49.973
20
votes
1
answers

What is the difference between cholesky in numpy and scipy?

python numpy scipy
asked 2013-05-22T18:31:48.413
25
votes
3
answers

remove a specific column in numpy

python numpy
asked 2013-05-19T08:05:09.530
22
votes
3
answers

Python, cPickle, pickling lambda functions

python arrays numpy lambda pickle
asked 2013-05-18T16:17:51.860
32
votes
2
answers

why isn't numpy.mean multithreaded?

python multithreading performance numpy
asked 2013-05-17T21:09:48.913
57
votes
2
answers

Generating a dense matrix from a sparse matrix in numpy python

python arrays numpy scipy sparse-matrix
asked 2013-05-12T08:50:46.680
35
votes
4
answers

What is the difference between np.sum and np.add.reduce?

python numpy
asked 2013-05-07T13:17:04.660
11
votes
1
answers

Is there an efficient way to merge two sorted dataframes in pandas, maintaing sortedness?

python numpy pandas
asked 2013-05-01T12:44:50.760
24
votes
2
answers

UserWarning: converting a masked element to nan

python numpy
asked 2013-04-26T12:36:47.560
10
votes
2
answers

Forced conversion of non-numeric numpy arrays with NAN replacement

python numpy type-conversion nan coercion
asked 2013-04-25T19:47:52.487
17
votes
2
answers

Convert a std::vector to a NumPy array without copying data

c++ python numpy swig
asked 2013-04-17T16:17:38.203
15
votes
4
answers

How to represent inf or -inf in Cython with numpy?

python optimization numpy scipy cython
asked 2013-04-17T02:44:31.260
12
votes
2
answers

Printing FULL contents of numpy array

python printing numpy
asked 2013-04-12T20:35:06.530
29
votes
1
answers

How to compute cluster assignments from linkage/distance matrices

python numpy scipy cluster-analysis
asked 2013-04-11T14:41:10.927
408
votes
6
answers

What is the difference between ndarray and array in NumPy?

python arrays numpy multidimensional-array numpy-ndarray
asked 2013-04-08T12:41:55.370
23
votes
3
answers

Making pyplot.hist() first and last bins include outliers

python numpy matplotlib
asked 2013-04-05T15:29:47.980
104
votes
3
answers

Calculate mean across dimension in a 2D array

python arrays multidimensional-array numpy mean
asked 2013-04-04T19:25:25.377
11
votes
0
answers

How to set the default datatype as 'float32' for numpy & pandas?

numpy type-conversion pandas
asked 2013-03-28T05:24:48.093
72
votes
7
answers

numpy.unique with order preserved

python numpy
asked 2013-03-26T12:41:00.153
17
votes
3
answers

Convert Image ( png ) To Matrix And Then To 1D Array

python image-processing numpy
asked 2013-03-25T10:12:43.753
13
votes
3
answers

How do I get numpy.einsum to play well with sympy?

python numpy nested sympy
asked 2013-03-25T03:01:29.503
21
votes
2
answers

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

python numpy
asked 2013-03-18T16:11:11.033
8
votes
1
answers

Numpy: Array of class instances

python numpy inner-classes
asked 2013-03-16T20:20:07.900
16
votes
4
answers

Writing a faster Python physics simulator

python numpy physics scientific-computing verlet-integration
asked 2013-03-12T23:30:58.483
11
votes
6
answers

Flatten a nested list of variable sized sublists into a SciPy array

python numpy scipy
asked 2013-03-12T15:58:51.817
9
votes
2
answers

doing better than numpy's in1d mask function: ordered arrays?

python performance sorting numpy mask
asked 2013-03-07T19:18:15.343
8
votes
2
answers

Portable/fast way to obtain a pointer to Numpy/Numpypy data

python numpy ctypes pypy
asked 2013-03-04T20:24:01.683
32
votes
5
answers

How to return a view of several columns in numpy structured array

python arrays numpy
asked 2013-03-03T04:13:14.303
8
votes
1
answers

NumPy genfromtxt: using filling_missing correctly

python csv numpy genfromtxt
asked 2013-02-28T19:48:44.553
26
votes
10
answers

numpy covariance matrix

python numpy covariance
asked 2013-02-23T02:05:32.663
10
votes
4
answers

Simultaneously diagonalize matrices with numpy

python numpy eigenvalue diagonal
asked 2013-02-21T16:43:04.157
30
votes
4
answers

Load text file as strings using numpy.loadtxt()

python numpy
asked 2013-02-20T16:42:44.247
38
votes
4
answers

Swap slices of Numpy arrays

python multidimensional-array numpy swap
asked 2013-02-18T09:58:13.293
12
votes
4
answers

Drawing floating numbers with [0, 1] from uniform distribution by using numpy

python numpy uniform
asked 2013-02-17T14:47:28.720
13
votes
3
answers

Numpy rebinning a 2D array

numpy binning
asked 2013-02-17T00:00:42.770
12
votes
1
answers

numpy matrix trickery - sum of inverse times matrices

python numpy scipy linear-algebra
asked 2013-02-09T00:09:05.487
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