Tag: numpy

386 What are the advantages of NumPy over regular Python lists? 2009-06-14T23:02:14.280

376 How to print the full NumPy array? 2010-01-01T01:51:46.140

362 Dump a NumPy array into a csv file 2011-05-21T10:01:16.173

340 How to access the ith column of a NumPy multidimensional array? 2010-12-15T21:27:41.750

337 Is there a NumPy function to return the first index of something in an array? 2009-01-11T01:21:39.640

337 Simple Digit Recognition OCR in OpenCV-Python 2012-02-23T12:37:22.987

335 How can the Euclidean distance be calculated with NumPy? 2009-09-09T19:48:49.343

317 How do I get indices of N maximum values in a NumPy array? 2011-08-02T10:29:25.053

310 How do I read CSV data into a record array in NumPy? 2010-08-19T04:41:53.677

294 Numpy array dimensions 2010-06-17T12:55:51.943

292 Reloading submodules in IPython 2011-03-19T18:39:10.517

286 StringIO in Python3 2012-08-11T11:53:30.690

278 What are the differences between numpy arrays and matrices? Which one should I use? 2010-11-11T03:25:09.680

252 Combine two columns of text in dataframe in pandas/python 2013-10-15T09:42:52.987

242 Find nearest value in numpy array 2010-04-02T11:38:23.173

239 How to pretty-printing a numpy.array without scientific notation and with given precision? 2010-05-23T12:54:29.077

226 Relationship between SciPy and NumPy 2011-06-01T12:11:19.633

225 Sorting arrays in NumPy by column 2010-05-13T15:32:57.557

221 Most efficient way to reverse a numpy array 2011-07-21T04:58:24.350

220 How do I create an empty array/matrix in NumPy? 2009-02-20T09:58:11.680

212 How do I check which version of NumPy I'm using? 2009-10-05T13:56:50.383

210 Difference between numpy.array shape (R, 1) and (R,) 2014-02-26T20:55:35.657

209 How to convert 2D float numpy array to 2D int numpy array? 2012-06-03T20:46:28.470

208 Converting between datetime, Timestamp and datetime64 2012-12-04T13:08:29.863

204 How to add an extra column to a NumPy array 2011-12-13T08:36:10.797

203 What is the difference between flatten and ravel functions in numpy? 2015-03-08T18:49:44.440

201 Converting NumPy array into Python List structure? 2009-12-27T15:29:55.583

200 What does -1 mean in numpy reshape? 2013-09-09T03:25:02.583

195 Convert pandas dataframe to numpy array, preserving index 2012-11-02T00:57:33.290

192 How to take column-slices of dataframe in pandas 2012-05-19T14:11:42.603

187 How to install python modules without root access? 2011-09-19T00:41:50.397

184 How to count the occurrence of certain item in an ndarray in Python? 2015-02-22T22:05:48.873

180 Numpy - array vs asarray 2013-01-19T15:18:46.797

177 Saving a Numpy array as an image 2009-05-24T00:08:50.683

171 Concatenating two one-dimensional NumPy arrays 2012-02-11T01:11:06.257

170 What does axis in pandas mean? 2014-03-03T14:41:04.217

170 Pandas read_csv low_memory and dtype options 2014-06-16T19:56:47.607

169 How to implement the Softmax function in Python 2016-01-23T20:52:50.963

167 Pandas conditional creation of a series/dataframe column 2013-11-11T18:52:06.417

166 What is the difference between ndarray and array in numpy? 2013-04-08T12:41:55.370

165 NumPy array initialization (fill with identical values) 2011-05-05T00:34:20.760

165 What are the differences between Pandas and NumPy+SciPy in Python? 2012-06-18T04:45:48.650

161 Better way to shuffle two numpy arrays in unison 2011-01-05T06:23:56.033

161 Windows Scipy Install: No Lapack/Blas Resources Found 2015-01-28T11:00:07.857

159 pandas create new column based on values from other columns 2014-11-12T12:08:12.910

157 How do I calculate percentiles with python/numpy? 2010-03-03T20:21:13.227

157 What is the purpose of meshgrid in Python / NumPy? 2016-03-15T13:43:43.957

156 Comparing two numpy arrays for equality, element-wise 2012-05-14T09:30:18.343

155 Find unique rows in numpy.array 2013-06-06T19:51:36.410

151 numpy: most efficient frequency counts for unique values in an array 2012-05-24T16:15:18.580

150 Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)? 2010-11-23T15:05:08.323

148 Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers? 2013-12-24T15:09:07.377

146 How to convert a PIL Image into a numpy array? 2008-12-21T18:21:32.313

145 Converting numpy dtypes to native python types 2012-02-26T11:40:11.657

145 Installing SciPy and NumPy using pip 2012-06-20T06:48:00.180

144 How to remove specific elements in a numpy array 2012-06-12T11:54:37.683

141 Calculating Pearson correlation and significance in Python 2010-10-16T14:15:27.680

139 How do I convert a numpy array to (and display) an image? 2010-04-17T17:28:30.763

136 Removing nan values from an array 2012-07-23T21:36:54.337

136 How do I get PyLint to recognize numpy members? 2013-12-12T20:27:12.027

135 How do you use the ellipsis slicing syntax in Python? 2008-09-23T00:17:09.663

134 np.mean() vs np.average() in Python NumPy? 2013-11-18T17:43:30.843

132 Most efficient way to map function over numpy array 2016-02-05T02:08:10.900

130 How do I build a numpy array from a generator? 2008-12-15T05:44:31.740

129 Initializing numpy matrix to something other than zero or one 2009-11-10T00:10:07.380

127 Convert array of indices to 1-hot encoded numpy array 2015-04-23T18:24:54.063

126 How to create a numpy array of all True or all False? 2014-01-16T23:22:01.010

125 How to smooth a curve in the right way? 2013-12-16T19:06:31.267

124 how does multiplication differ for NumPy Matrix vs Array classes? 2010-10-08T12:50:47.820

124 How do I catch a numpy warning like it's an exception (not just for testing)? 2013-04-10T18:36:21.917

124 Replace all elements of Python NumPy Array that are greater than some value 2013-10-29T18:42:54.303

123 How to count the number of true elements in a NumPy bool array 2011-12-03T01:13:26.243

123 Confusion between numpy, scipy, matplotlib and pylab 2012-10-20T10:44:33.373

123 How to normalize an array in NumPy? 2014-01-09T20:25:03.563

122 Transposing a NumPy array 2011-05-10T18:24:30.443

120 dropping infinite values from dataframes in pandas? 2013-07-04T20:55:20.863

120 What does numpy.random.seed(0) do? 2014-02-01T05:28:33.717

118 Moving average or running mean 2012-12-05T16:57:05.240

117 Numpy matrix to array 2010-07-26T17:25:23.203

117 Import Error: No module named numpy 2011-10-19T08:54:16.127

115 What is the inverse function of zip in python? 2012-11-29T21:26:25.347

115 numpy matrix vector multiplication 2014-02-04T20:43:59.887

114 matplotlib: Set markers for individual points on a line 2011-12-07T00:56:02.277

114 How to check blas/lapack linkage in numpy/scipy? 2012-01-25T09:15:34.407

114 How do you get the magnitude of a vector in Numpy? 2012-02-07T04:48:50.433

113 List of lists into numpy array 2012-04-27T07:15:07.437

112 Why does multiprocessing use only a single core after I import numpy? 2013-03-26T14:37:34.093

111 Extracting specific columns in numpy array 2011-12-05T14:20:47.500

111 A tool to convert MATLAB code to Python 2012-03-23T19:22:09.200

111 Should I use scipy.pi, numpy.pi, or math.pi? 2012-09-28T18:36:58.927

110 In-place type conversion of a NumPy array 2010-12-08T16:01:46.787

110 Efficient evaluation of a function at every cell of a NumPy array 2011-10-09T04:21:10.443

110 Is it possible to use argsort in descending order 2013-05-10T15:57:47.087

109 Numpy - add row to array 2010-10-07T12:09:13.730

109 Understanding NumPy's einsum 2014-09-28T21:33:51.580

108 Numpy: cartesian product of x and y array points into single array of 2D points 2012-06-21T18:30:19.217

107 Principal component analysis in Python 2009-11-13T17:04:31.457

107 Normalize data in pandas 2012-09-21T07:04:23.710

106 Iterating over a numpy array 2011-08-06T14:27:03.787