Python Guru

I'm facing a heavy data transformation. In a nutshell, I have columns of data, each containing … Read more Spark Pandas_udf Is Not Faster

The Python community has published helpful reference material showing how to profile Python code, a… Read more Tutorials On Optimizing Non-trivial Python Applications With C Extensions Or Cython

I would like to do the following: for i in dimension1: for j in dimension2: for k in dimensio… Read more Swapping The Dimensions Of A Numpy Array

I want to optimize my application using generators and instead of creating 3 lists I want to use 2 … Read more Replacing 3 Lists With 2 Generators

I'm relatively new to python, and I'm trying to optimize some code for a HackerRank problem… Read more Should I Cache Range Results If I Reuse Them?

I have a problem that I don't know how to add indicator constraints in pulp. Can anyone help me… Read more How To Add Indicator Constraints In Pulp Python?

I want to minimize a function with multiple parameters and constraints with Scipy.optimize.minimize… Read more Scipy Minimize: How To Restrict X Only To 0 And 1?

I am trying to use scipy.optimize.fsolve() to solve for x that makes the function equal to zero, bu… Read more Valueerror: The Array Returned By A Function Changed Size Between Calls Scipy.fsolve()

I have a simple function def square(x, a=1): return [x**2 + a, 2*x] I want to minimize it over… Read more Parallel Optimizations In Scipy

I'm using Google Or-Tools to solve a Traveling Salesman Problem by using this example (basicall… Read more Or-tools Solve Traveling Salesman (tsp) Without Returning To The Home Node

I have those two models (simplified): class Place(OrderedModel): name = models.CharField(max_le… Read more Optimise Two Sql Queries And A List Comprehension

I'm trying to bring this constraint in my pyomo model [1 I define a set for indexing over time … Read more Pyomo Creating A Variable Time Index

I am running a minimization problem using the next code: import numpy as np from scipy.optimize imp… Read more Save Intermediate Results In Minimization Problem

I have a string of length n composed of letters A,G,C and T. The string is steady if it contains eq… Read more Find The Shortest Substring Whose Replacement Makes The String Contain Equal Number Of Each Character

I'm not clear on what goes on behind the scenes of a dictionary lookup. Does key size factor i… Read more Optimizing Python Dictionary Lookup Speeds By Shortening Key Size?

I have a function in 2 variables x1,x2 f = 3*x1^2 + 4*x2^2 + 5*x1 + 6*x2 + 10 Consider x is a row v… Read more Implementing Minimization Method

Given list of start times and begin times, I would like to find if the list contains overlapping en… Read more Find If Dates Are Overlapping In A List Of N Pairs

I came up with the following implementation for the Greedy Set Cover after much discussion regardin… Read more How Do I Make My Implementation Of Greedy Set Cover Faster?

I am a newbie to Tensorflow and trying to implement a Generative Adversarial Network. I am followin… Read more Tensorflow Valueerror: Variable Does Not Exist, Or Was Not Created With Tf.get_variable()

PEP 8 states: Imports are always put at the top of the file, just after any module comments and do… Read more Should Import Statements Always Be At The Top Of A Module?