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Showing posts with the label Algorithm

Using A Key To Rearrange String

Using Python I want to randomly rearrange sections of a string based on a given key. I also want to… Read more Using A Key To Rearrange String

Python: Powerset Of A Given Set With Generators

I am trying to build a list of subsets of a given set in Python with generators. Say I have set([1… Read more Python: Powerset Of A Given Set With Generators

Combinations From Dictionary With List Values Using Python

I have the following incoming value: variants = { 'debug' : ['on', 'off']… Read more Combinations From Dictionary With List Values Using Python

Search A List In Another List Using Python

I am trying to write the sublist search algorithm using Python. For reference : https://www.geeksf… Read more Search A List In Another List Using Python

Python Trie: How To Traverse It To Build List Of All Words?

I have created a trie tree as im learning python, here is the trie output {'a': {'b'… Read more Python Trie: How To Traverse It To Build List Of All Words?

Dijkstra's Algorithm With Back Tracking?

In a related thread, it was suggested that I impliment Dijkstra's algorithm for finding the sho… Read more Dijkstra's Algorithm With Back Tracking?

Adjacency List And Adjacency Matrix Are Able To Logically Present A Non-linear Data Structure

how adjacency list and adjacency matrix are able to logically present a non-linear data structure, … Read more Adjacency List And Adjacency Matrix Are Able To Logically Present A Non-linear Data Structure

How To Get All Intersections Of Sets In Python Fast

I would like to compute all (different) intersections of a collection of finite sets of integers (h… Read more How To Get All Intersections Of Sets In Python Fast

Computer Algebra Soft To Minimize The Number Of Operations In A Set Of Polynomials

I have systems of polynomials, fairly simple polynomial expressions but rather long to optimize my … Read more Computer Algebra Soft To Minimize The Number Of Operations In A Set Of Polynomials

Prime Numbers Generator Explanation?

I was searching for an algorithm to generate prime numbers. I found the following one done by Rober… Read more Prime Numbers Generator Explanation?

Calculating The Complexity Of Algorithm To Print All Valid (i.e., Properly Opened And Closed) Combinations Of N-pairs Of Parentheses

I would like your opinion on the time and space complexity of this algorithm I implemented (in Pyth… Read more Calculating The Complexity Of Algorithm To Print All Valid (i.e., Properly Opened And Closed) Combinations Of N-pairs Of Parentheses

Pixel Coordinates From Point A To B

I have a gray scale 50 x 50 pixels picture as a numpy 2D array. Each pixel is a coordinate startin… Read more Pixel Coordinates From Point A To B

Calculate Difference Between All Combinations Of Entries In A Vector

I have a numpy 1D array of z values, and I want to calculate the difference between all combination… Read more Calculate Difference Between All Combinations Of Entries In A Vector

Object Tracking In Real Time Via Opencv And Python

I'm looking for good algorithm to do object tracking in real time. the best one I found so far … Read more Object Tracking In Real Time Via Opencv And Python

Shuffle A Long List An Even Longer Number Of Times In Python

I want to shuffle a long sequence (say it is has more than 10000 elements)a lot of times (say 10000… Read more Shuffle A Long List An Even Longer Number Of Times In Python

Fast Way To Select N Items (drawn From A Poisson Distribution) For Each Element In Array X

I am having some trouble with solving a problem I encountered. I have an array with prices: >>… Read more Fast Way To Select N Items (drawn From A Poisson Distribution) For Each Element In Array X

Finding The Max Of Each Continguous Subarray Of A Given Size

I'm trying to solve the following problem in Python Given an array and an integer k, find the … Read more Finding The Max Of Each Continguous Subarray Of A Given Size

Order Bias In Wrong Implementation Of Fisher Yates Shuffle

I implemented the shuffling algorithm as: import random a = range(1, n+1) #a containing element fro… Read more Order Bias In Wrong Implementation Of Fisher Yates Shuffle

How To Find All The Unique Substrings Of A Very Long String?

I have a very long string. I want to find all the unique substrings of this string. I tried to writ… Read more How To Find All The Unique Substrings Of A Very Long String?

Use List Of Lists To Save Every Path In A Graph

I have to implement dfs algorithm to save all paths from a starting node. So for example i have the… Read more Use List Of Lists To Save Every Path In A Graph