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The os.walk function returns separate lists for directories and files. The underlying OS calls on m… Read more Does Os.walk Take Advantage Of The File Type Returned By The Os For Efficiency?

This post is a related question that spun off of this question. My goal is to generate an optimal f… Read more Include Only Unique Values In A Pulp Optimization Solution

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 have ~10 large df's (5mil+ rows each and growing) that I want to perform calculations on. Doi… Read more Pandas Functions Too Slow - Optimise With Dict/numpy?

I want to solve the following optimization problem with Python: I have a black box function f with … Read more How To Effectively Solve A Compound Cost Function Optimisation Problem?

Versions of this question have already been asked but I have not found a satisfactory answer. Probl… Read more Efficient Loop Over Numpy Array

I have a text file fo several GB with this format 0 274 593869.99 6734999.96 121.83 1, 0 273 593869… Read more Improving Performance Of A Function In Python

I've been successful using the following algorithm to complete all-path data up to path length … Read more Optimization Of An All-paths Algorithm

I curious about how to get 'first-order optimality' value using python script. For optimati… Read more How To Get "first-order Optimality" With Python Script

I have the following problem to code using python: I have 7 parameters: x, y, z, t, HF, M1F, and M2… Read more Initial Guess Using Scipy.optimize In Python

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 to ask for some help with an assignment I got as a test for a django internship. I had to ma… Read more How To Optimize/simplify Heapsorting Django Objects? (can't Use Modules And Db Sorts)

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've have created a small visualisation of particles in python. I'm caclulation the movemen… Read more Optimizing Gravitation Calculation For Particles In A Zero Gravity 2d Space

I have been trying to use 'cbc' solver in pyomo as following: import pyomo.environ as pe s… Read more How To Use 'cbc' In Pyomo's Solverfactory In Windows 10

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 have several one dimensional numpy array (around 5 millions elements) I have to slice them repea… Read more Slicing Repeadlty With The Same Slice Numpy

This is a follow-up to an earlier specific question, but as I add more complexity to the problem f… Read more Dcp Requirement Violated When Specifying Constraing In Cvxpy, Perhaps Need To Rethink Entire Formulation Of Problem

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

I'm trying to use scipy's optimizer.minimize function but I'm unable to figure out exac… Read more Passing Args In Scipy Optimize.minimize Objective Function ( Getting Error On Number Of Arguments)