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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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