PlotSngValDistr(Graph, SngVals, FNmPref, DescStr)

Plots a histogram distribution of the top 2x SngVals singular values of the Graph adjacency matrix. The function creates three new files: 1) sngDistr.<FNmPref>.plt (the commands used to create the plot), 2) sngDistr.<FNPref>.png (the plot), and 3) sngDistr.<FNmPref>.tab (the plotting data).


  • Graph: directed graph (input)

    A directed graph.

  • SngVals: integer (input)

    Representing one half the desired number of singular values.

  • FNmPref: string (input)

    A string representing the preferred output file name.

  • DescStr: string (input)

    Description of the graph. The string should be non-empty.

Return value:

  • None

The following example shows how to use PlotSngValDistr() for TNGraph:

import snap

Graph = snap.GenRndGnm(snap.PNGraph, 100, 5000)
snap.PlotSngValDistr(Graph, 50, "title", "SngVal Distribution")

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