Can this simpler case of the 2d maximum submatrix problem be solved more...
Given an n by m matrix of integers, there is a well known problem of finding the submatrix with maximum sum. This can be solved with a 2d version of Kadane's algorithm. An explanation of an O(nm^2)...
View ArticleReading in parquet files with spark
I run into this issue when trying to read parquet files:sidenote: I can read 1 parquet file if I do it like this:account_info_df_porsche =...
View Articlethe unsupervised neural network to solve a static Schrödinger equation
I want to reproduce the results of the paper: Neural-network-based multistate solver for a static Schrödinger equation,Hong Li, Qilong Zhai, and Jeff Z. Y. Chen, Phys. Rev. A 103, 032405 – Published 8...
View ArticlePython fast Fourier transform for very noisy data
I have a file with velocity magnitude data and vorticity magnitude data from a fluid simulation.I want to find out what is the frequency for these two data sets.my code:# -*- coding: utf-8 -*-"""Spyder...
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Why is pygame.Surface suggestions not showing parameter options in VSCode?
I am having a bit of trouble understanding why the pygame.Surface class does not show parameters when writing it and typing in the parenthesis of the constructor. For example, if I call a function such...
View ArticleDevelop an Image Classification with subclasses for dogs and cats (e.g., dog,...
I just tried Image Classification with Python TensorFlow Keras but for only one class and it worked. And now i wonder if this could also be upgraded into subclass classification. So, let's say I've...
View ArticleEel not calling python function from js
Im making a toggle in my Eel app but for some reason it does not print Test to the terminal.<div class="container-afk"><label class="toggle_box"><input type="checkbox"...
View ArticleAstropy and JPL's Horizons query have different output
I am trying to compare the position of the Earth in heliocentric system given by Astropy, with that of JPL's Horizons. I find remarkable differences and I don't know what they may be due....I want to...
View Articlebuild: can I skip creating the distribution?
I'm very new to setuptools, build, and their ancillary tools and libraries. My understanding is that a lot of the distribution workflows are articulated around pip, tarballs, wheels, and the likes.But...
View Articleunderstand the details of einsum application for two tensors
We have two tensors: a = np.arange(8.).reshape(4,2,1) b = np.arange(16.).reshape(2,4,2)We are going to implimentnp.einsum('ijk,jil->kl', a, b)Although we could obtain its results, we were persist to...
View ArticleDisplay and create video from QPainter/QImage
My objective is to create a gif or video from paintEvents and also show on QWidget (window).I tried to paint the frame onto a QImage and then render it onto the QWidget, but I encounter some errors. Im...
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How remove residual lines after merge two regions using Geopandas in python?
import geopandas as gpdsg = gpd.read_file('shapefile1.shp')sd = gpd.read_file('shapefile2.shp')kw = sg[sg['region_name'] == 'region1']tg = sd[sd['region_name'] == 'region2']region1 and region2 are as...
View ArticleHow to display the reconstructed image from huggingface ViTMAEModel?
I am using the following code example:Using the autoencoder, I want to display the recontracted image. How to display it?from transformers import AutoImageProcessor, ViTMAEModelfrom PIL import...
View Articletransform and replace values in existing column IF multiple matching values...
I have two datasets: A and B.If dataset A's year, ID, delivery, type, and vendor columns all match with dataset B's Tags, ID, qtr, TYPE, and msc columns, then I want to replace the project_id of the...
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Flask app throws 403 forbiden after refreshing the page
My react app starts smoothly on first opening , then after any refresh i start getting 403 forbidden error , which makes my development super slow. any solution will be welcomed !Backend running on...
View ArticlePython - LinkedList confusion
class Node: def __init__(self, data=None, next=None): self.data = data self.next = nextclass LinkedList: def __init__(self): self.head = None def insert_at_end(self,data): >>> this function is...
View ArticlePandas - Merging multiple dataframes on multiple fields
I have multiple basic dataframes that I need to merge using multiple fields.I've seen posts on merging multiple dataframes, but not on multiple fields.Would appreciate any help as I'm totally stuck....
View ArticleWhy vs code is giving 'ModuleNotFoundError: No module named 'torch'' when I...
So I was trying to install the pytorch module and like any sane person I did the following:python -m venv envsource env/bin/activateThen I installed pytorch as given in the official documentation.pip3...
View Articlekeyboard library interfered with python input
When I press on "p" it triggers input with "p" in the start :import keyboarddef print_your_name(): x = input("Enter Your Name: ") print(x)keyboard.add_hotkey('p',...
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Flask Login - current_user is not being updated across sessions/requests
I have a nasty issue which I have been fighting relentlessly for the past 3 days, but its not tilting.In my Flask application the current_user which comes from Flask-login is not updated across...
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