Opening an ATSP File

The ATSP file type is primarily associated with Concorde TSP Solver, other ATSP solvers.

ATSP	File extension: ATSP
	File type:	ATSP problem data

What is an ATSP file?

ATSP files mostly belong to Concorde TSP Solver, other ATSP solvers. An ATSP file stores data related to the Asymmetric Traveling Salesman Problem (ATSP). The ATSP is a variation of the classic Traveling Salesman Problem where the cost of traveling between two cities is not necessarily the same in both directions. These files typically contain information about the cities or nodes, the distances or costs between them (represented as a matrix), and potentially other relevant parameters for the problem instance. Specialized solver software uses these files as input to find the most efficient route that visits each city exactly once and returns to the starting city, minimizing the total travel cost. The format can vary depending on the specific solver used, but often involves a matrix representation of the distances between cities.

How to open ATSP files

You need a suitable software like Concorde TSP Solver, other ATSP solvers to open an ATSP file. You need a suitable software like Concorde TSP Solver, other ATSP solvers to open an ATSP file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ATSP file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ATSP file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ATSP Text Viewer

Choose your .atsp file to analyze

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Online File Viewer

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.ATSP File Not Opening? How to Fix It:

ATSP files can originate from various programs and aren't universally openable.

Identify the Source: If received from an operations research analyst or computer science project, it likely contains Asymmetric Traveling Salesperson Problem data.
Check the Header: Open the file in a text editor to inspect its contents:
- Readable text starting with NAME: or TYPE: ATSP confirms standard TSPLIB format.
- Unreadable symbols or magic bytes like PK suggest a compressed archive.
Use the Original Software: You usually need the original program to process these files; try Concorde TSP Solver, other ATSP solvers, or ask the sender.
Use this Webpage: Drag and drop your .ATSP file into our viewer to detect the format, extract readable text, and preview when possible.

Technical Data for ATSP File Extension

File classification:

Mathematical Optimization, Computer Science, Operations Research

Related files:

tsp, tsb

an atsp ATSP problem data is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with ATSP files

Associate the ATSP file extension with the correct application.
Update your software that should actually open atsp problem data files. Because only the current version supports the latest ATSP file format. Search, therefore, e.g. on the manufacturer website after an available Concorde TSP Solver, other ATSP solvers update.
To make sure that your ATSP file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .ATSP file online - secure, fast, and no downloads needed.