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Questions tagged [algorithms]

Please note: Requests to recommend an algorithm are OFF-TOPIC; please see the tag wiki for more information.

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Recommendations for open source flight database/API

As a passion project, I would like to experiment with an algorithm I made to find cheap international flights, and make a prototype. As a student, I do not have much money, so I cannot rely on a ...
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Java software that creates an adjacency matrix for you?

Is there a program where you can enter a 2d array or draw a graph and it will create an adjacency matrix for you?
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Need a library for implementing clique percolation method on dynamic graphs

I have recently been working on implementing clique percolation method on graphs for community detection. For a normal graph data structure, I used Networkx library to implement it. Now, I want to ...
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Realtime plotting a graph for time complexity of RSA algorithim using php

I want to plot a time complexity graph of RSA algorithm using PHP and MySQL.but I don't know how to plot it real-time using PHP. please help me finding opensorce code or tool or libraries to plot it ...
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Which Software Hough transform algorithm is available for geological lineament analysis?

I want to extract geological lineaments using Hough transform algorithm. In which software Hough transform algorithm is available to extract geological lineaments?
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Location triangulation by signal strength

I am looking for a library to help locate devices by triangulation (preferably C/C++, but I could consider other languages). I would prefer open-source, so that I can compile it for different ...
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5 views

MPS/LP file Visualization Software

I'm searching for a software that can visualize MPS[0]/LP files or any other data that is compatible with COIN-OR[1]. I want to visualize the "A Transportation Problem"-Example[2] from PuLP. [0] ...
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Python library for Arabic transliteration, that transliterates to only a-z letters without accents or symbols

Consider this word ميشلين, the correct way to write it in english, is michelline more or less. Using Buckwalter from CLTK , I get my$lyn Using ISO233-2 from that same library, I get myšlyn I'm ...
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52 views

Trust Region Reflective Algorithm in C/C++

Currently using MATLAB's lsqnonlin function which utilizes the "trust-region-reflective" algorithm. Does anyone know where I can find a C/C++ implementation of this algorithm?
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Matrix multiplication on an upper/lower triangular matrix

I am a statistician working on DNA datasets. I am writing an R package, and I will routinely need to perform matrix multiplication on upper-triangular (sparse) matrices that have hundreds-of-millions ...
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How to automatically generate a vector image of portrait or a person?

Is there any software, third party library, or algorithm that can automatically generate a vector image of a person's portrait? The image could be of any style even black and white, but should ...
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Delaunay Triangulation or EMST function

I am looking for stand-alone code to build the Delaunay triangulation of a set of 2D points. (No constraint, Euclidean metric.) In fact I need it to build a Euclidean Minimum Spanning Tree, so that a ...
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Algorithms graphics tools

What tools are most useful for creating algorithm and data structure graphics for teaching? I am specifically seeking to have a voice over the graphics running for an algorithm. For example, when I'm ...
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23 views

Recommend a Coding Library to Map a Floor

How does an auto vacuum cleaner map a floor and make sure all area are covered in a cleaning? Any open source Python or JavaScript library to recommend?
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35 views

Genetic algorithm framework coded in C++

I'm currently working on an optimization problem using binary integer programming and I want to use a meta-heuristic such as Genetic Algorithm. For that, I'm working with a free optimization tool ...
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1answer
553 views

Open Source APS software (Advanced Planning and Scheduling systems)

I'm searching for a simple APS software as a starting point for a project (industrial field). Where to start? Here some elements: It has to be open-source (no paid solutions). As of today I don't ...
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17 views

Binary search packages

Say I have a finite collection of objects with certain properties, and I want to write software (preferably in Python) that will identify a yes/no question about these properties whose answers are ...
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21 views

Point label positioning library for Java development

I develop an Android app in Java which displays points on a map. Every point has a label. Since there can be up to thousands of points on the map, the labels tend to overlap on the screen, especially ...
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214 views

Paving / Advancing Front Quad Mesh Algorithm Implementation in C# Code or Unity Importable Library

I'm developing a game in Unity, and have hit a snag with a step I wasn't expecting given the amount of research done on the topic. I'm in need of a block of code or a library that performs the ...
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21 views

Multi bin packing

I need a library or software (free or paid) to do multi bin packing: Inputs: several boxes (WxHxD) and their weight several containers (WxHxD) and their maximum weight Output: minimum number of ...
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23 views

What set of tools can I use to create algorithms independent of programming languages?

Having in mind Entity System (ES), that is a great step towards pluggable ends (like a graphics engine, etc), I wonder if someone managed to create code in an algorithm only way, that would easily let ...
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2answers
30 views

Software to merge CSV files with true/false columns if entry is present

I have multiple separate CSV files that are just a single column list of email addresses, where each file represents a 'tag' associated with that email. I'd like to merge them into one CSV file, such ...
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2answers
47 views

Intuitive tool to filter multiple CSV files or multiple columns in one CSV file with complex IF requests

I have a large email list I broadcast to, where each subscriber has multiple tags. My email broadcast system lets me download each tag as a separate CSV file containing all tagged email addresses* and ...
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273 views

Double Ratchet Algorithm (Axolotl) implementations

I'm looking for libraries that implement the Double Ratchet Algorithm (known also as Axolotl). So far I've found the following: https://github.com/wireapp/proteus https://whispersystems.org/docs/ ...
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Is there any framework algorithm development (testing / benchmarking)?

In relations to posts like TDD like approach to Algorithmic problems, is there any framework that can be used for developing algorithms (where by "framework" I meant some sets of utilities that can ...
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What is the best algorithm/library to use to detect vehicles in an image/video?

I have used opencv to train HAAR cascade, and I implemented it with opencv-java and found out that it gives false positives and its only good for face recognition. There is HOG descriptor, but ...
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1answer
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DSA provider for java

What I want A DSA encryption and decryption provider for java. requirements 1-provides encryption and decryption with DSA: I don't need key generation because the official(and openjdk) provides ...
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0answers
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Very simple ordered set (or pack) implementation in C

I am looking for a simple ordered set library (function, code sample) in C (NOT in C++). It should be based on some balanced tree or similar O(log(n))-based algorithm, hashes aren't okay. The ...
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35 views

Frameworks/libraries that help turn 3D data into 2D shapes

Just like you can take a cube and flatten it into 6 sides, I'd like to take a digital 3D model of a human and cut it into flat shapes (think sewing patterns) with the help of a high-level framework/...
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0answers
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Fixing drifting and warping in tissue samples

I've got a set of slides that have been imaged under a microscope. The tissue on the slide floats on a water bath prior to being picked up by the glass. For example: In this image, you can see how ...
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0answers
197 views

Doubly linked list visualization

So, I was coding a doubly linked list & wanted to swap two adjacent nodes. I was coding things like node->next = node->next->next and node->next->prev = node and it wasn't working ...
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0answers
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What tools and/or stack options do I have for an automated underwriting engine?

I'm about to embark on a project which will involve receiving a high-volume of financial securities (example: real estate "notes") via a high-speed data feed / api and applying a one or more pre-...
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0answers
48 views

Visualizing the Bayes-ball algorithm

I am looking for a program that can: allow me to define a probabilistic graphical model can show how the Bayes-ball algorithm work when testing conditional independencies, i.e. show how the rules for ...
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0answers
86 views

Shortest common supersequence solver in JavaScript

This question is closely related to this one. I am looking for a JavaScript implementation for a Shortest common supersequence solver. Do you have any pointers to libraries or other resources that ...
2
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1answer
54 views

ID3 tagging software with grammar-aware title casing algorithm

Almost every piece of ID3 tagging software includes "dumb" title casing functionality ("title of the song iii" becomes "Title Of The Song Iii" rather than "Title of the Song III"); to produce a ...
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2answers
677 views

Gender-Recognition API

Does anyone know of any API's out there that can determine gender based on a few of the following: Name Username Posts/Text/How they Talk Location Profile Description Picture Or if such an API ...
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1answer
122 views

Program to display the steps of the simplex algorithm

I am looking for a program having the following features: can display all the steps of the simplex algorithm applied to a given linear program has a GUI to write down the linear program we are ...