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Dr. Vitaly Pechenkin

My name is Vitaly Pechenkin (Ph.D math., sociology) I work as professor at the Department of Social Science and Humanities, Saratov State Technical University, Russia.

I like jazz. My hobbies are Sport, Computers, Singing, Guitar.

GRaph INterface (GRIN)

From this site you can download computer program Grin (GRaph INterface) for MS Windows (9X, NT, 2000, XP) with advanced visual interface. You can virtually travel across Graph and Network theory.

Grin is a powerful tool with many capabilities. Grin is easy to use, you don't need any computer experience to get start.

You can create, edit, and explore graphs and networks. Graphs can be stored on a disk and loaded from disk. You can edit graphs interactively in visual and table modes.

Edit commands

  • Add elements to the graph (Points and Edges)

  • Delete elements from the graph (Points, Edges, Components and whole Graph)

  • Move elements of the graph (Points, Components, Selection)

  • Change size of the graph (Increase, Decrease, Auto Size)

  • Edit the attributes of the Edges and Points (Name, Color, Weight, Description...)

  • Retype the Graph (Undirected, Directed)

  • Clipboard (Copy, Paste, Cut, Delete)

  • Copy picture to MS Windows clipboard

  • Decomposition of the Edges

  • Edition in Visual and Table Modes

You can solve problems

  • Metrics of the graph (Radius, Diameter, Density, Undensity and so on...)

  • Paths and cycles (Eulerian and Hamiltonian)

  • Bridges and cutpoints

  • Coloring (Point's Coloring)

  • Authomorphism group

  • Minimal spanning tree

  • Shortest paths

  • Distance Matrix

  • Max. Capacity path

  • K Shortest paths

  • Salesman problem

  • Multi Salesmen problem

  • Maximal flow

  • Critical path

  • Petri Net Simulation

  • Social Network Analysis (Centrality and Domination hierarchy)

Limited FREE GRIN version (for Win 9X, NT, 2000, XP)  is for 40 points.
Download Grin archive Here

You can save information about graph into report file. All content of result window will be added to report file. To show saved information about graph press button "Show Report" on the toolbar. To save picture of the Graph (Bitmap  or MS Windows Metafile format) select command File > Save As..|bmp or wmf.

Click Here to see images of graphs

Click Here to see image of the directed graph and Gantt Chart

My Resume Here

Created 10 September. 1998
From Russia with Software
E-mail: pechv@mail.ru

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