Category "numpy"

ValueError: num must be 1 <= num <= 5, not 0 error

I am stuck with this code written in py2 on psychopy. I am not an expert with coding. I am trying to run the function "analyzeStaircases(stairs, stairInfo['Aver

What is a rank 1 array in Numpy

Consider the following vector: import numpy as np u = np.random.randn(5) print(u) [-0.30153275 -1.48236907 -1.09808763 -0.10543421 -1.49627068] When we print

If no conditions are met, how do I raise a value error with np.select?

Working with human labeled data, I have four cases that cover correct behavior, but it is possible for annotators to miss the need to provide a value. When this

C-API register a ufunc loop against builtin ufunc

I am looking to build a numpy extension module which declares a new structured dtype and provides the necessary inner ufunc loops to allow built-in math operati

Finding the shortest path to solve colored water sorting games

So my aunt plays this now popular mobile game, shown in the picture below. She got stuck on a certain level and asked me if I can solve it. Knowing that I'm not

prevent numpy stack method change INT data to float

I try to stack three one dimension array. a and b are int that can be work as index and c is float. After I stack this three with axis=0, the a and b data chang

Tensorflow dataset element shuffle within specified range

How do I shuffle the elements of tf.data.Dataset within a certain range. Having an input array, with shape = (10,), in the first 5 elements would be shuffled wi

How to remove 2d array from 3d array if it contains NA values

I am working on a seq2seq machine learning problem with Conv1D and LSTM, to do this I must produce a tensor input of the shape samples, timesteps, features. Asi

How to generate numpy arrays with random regions with rectangular shape with random size?

I would like to generate a binary array (values are 1s and 0s) filled with rectangular regions. Something like this: a = np.array([0, 1, 1, 0, 0] [

Add a new logic in pyhton

Want to add logic that calculates and outputs truckloads able to be built each day. Still want this broken out by ship-to party (so 1 ship-to party per shipment

How to optimize the downlaod big file problem in Django?

My Django project gives a download interface as follows: def download_item_vector(request): return HttpResponse(np.load('item_vector.npy')) I want to retur

Encountering divide by zero after a conditional preventing this

I am writing a simple piece of code for a physics assignment where we are supposed to model a water molecule as a collection of charged particles. I am supposed

Eigenanalysis of complex hermitian matrix: different phase angles for EIG and EIGH

I understand that eigenvectors are only defined up to a multiplicative constant. As far as I see all numpy algorithms (e.g. linalg.eig, linalg.eigh, linalg.svd)

Python Numpy: Replacing index with index from other array if zero

I am trying to merge some depth data frames, captured with a Intel realsense depth camera. The depth data frames comes in the following format: dataframe1 = [[0

Error "Numpy.ndarray size changed, may indicate binary incompatibility. Expected 88 from C header, got 80 from PyObject."

I got this error file while following this tutorial: https://www.youtube.com/watch?v=yqkISICHH-U So far I have created a training dataset to feed into Tensorflo

How to make a vector of matrices in numpy

I would like to create a vector of the same matrix in numpy (so as an array). Let's say the matrix is: w = np.array([[1,2], [3,4], [

Linearregression of two dataframes

I have two dataframes: df = pd.DataFrame([{'A': -4, 'B': -3, 'C': -2, 'D': -1, 'E': 2, 'F': 4, 'G': 8, 'H': 6, 'I': -2}]) df2 looks like this (just a cutout; i

How to adapt emcee to work with odeint numerical solution

I'm trying to constrain the function with the use of MCMC methods (emcee) without the analytical form of this function. I'm using the odeint to obtain the funct

cv2.error: OpenCV(4.5.2) 👎 error: (-5:Bad argument) in function 'cvtColor'

this is my code and I have a problem. What is the solution for it, please? I try to make a screen recorder: import numpy as np import cv2 import pyautogui code

Complex interpolation for Isotopic data

I have another question, is there a package that interpolates precipitation data taking into account mountains and oceans? I have so far used Numpy and Basemap