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NumPy is the fundamental package for scientific computing with the programming language Python.

55 questions with no upvoted or accepted answers
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7 votes
0 answers
344 views

I have a set of nested functions that I need to call multiple times. I know scipy.quad is pretty fast, but I will need to call the integrator recursively and want ...
Pedro Relich's user avatar
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7 votes
0 answers
5k views

I implemented the cubic spline interpolation explained in https://en.wikipedia.org/wiki/Spline_interpolation as a Python class. Of course, such an interpolation should exist already in some Python ...
Ivan ZAR's user avatar
  • 71
6 votes
0 answers
120 views

I am trying to solve the following problem: Input: Input is two arrays (Nx4, sorted in column-2) stored in datasets-1 and 2 in HDF5 file (input.h5). N is huge (...
nuki's user avatar
  • 61
5 votes
0 answers
758 views

I am trying to create a function that can either beat numexpr or perform comparably for the vectorized mathematical operation ...
Trekkie's user avatar
  • 151
4 votes
0 answers
88 views

Trying to generate fractals image with given IFS equations. I have two classes: Shape - Gives co-ordinate to form a shape. Ifs -...
Ch3steR's user avatar
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4 votes
0 answers
1k views

I have multiple binary (structured) file, each of 2GB, which I am currently reading in pair, using memmap to cross-correlate the same. I want to minimise the time required by this IO process, in the ...
Pavan Uttarkar's user avatar
  • 41
4 votes
0 answers
86 views

As an exercise, I want to rewrite a C++ program to import measurement files (and later create excelsheets, reports ...). The measurement files split in 2 files, a binary file, and a xml-file. Because ...
natter1's user avatar
  • 288
4 votes
0 answers
3k views

I would like to find the find the distance transform of a binary image in the fastest way possible without using the scipy function distance_transform_edt(). The ...
user186901's user avatar
  • 41
4 votes
0 answers
5k views

Using python 3.6. I have written this code (below) to apply hysteresis to a signal (a numpy array). My aim was to create a function that didn't require any loop to remember the previous state of the ...
James Schinner's user avatar
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4 votes
0 answers
714 views

I have some code I've been using to de-noise some images and then label all unique and contiguous elements. The function zoneMap() de-noises the image by picking a ...
asheets's user avatar
  • 171
4 votes
0 answers
233 views

Skippable Intro: I have a dataset that corresponds to an observed time-series. The dataset is organized into a dictionary - which contains an array of years, an array of months, an array of days, an ...
user avatar
4 votes
0 answers
3k views

I'm running the following code using numpy arrays, I get a MemoryError in Ubuntu, while the same code runs on Mac OSX. (Pagination is automatically setup in Mac) This process consumes around 30 GB. ...
gogasca's user avatar
  • 609
4 votes
0 answers
730 views

On a curve generated by scipy.interpolate.BSpline I want to find the closest parameters relative to each control point, so that the given parametric range is ...
Fnord's user avatar
  • 383
4 votes
0 answers
241 views

I'm trying to make a simple example showing how to create a RNN with Keras that accepts as input a sequence of arbitrary length. In my example, the LSTM is trying to classify whether a sequence has ...
Seanny123's user avatar
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4 votes
0 answers
456 views

Introduction I have wanted to develop this project for more than two years. I just started writing it a couple days ago. I use it to detect plant or residue pixels in crop row images but it provides ...
Sarin Suriyakoon's user avatar
  • 61

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