MeatAxe: ztc - Trace

MeatAxe 2.4

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ztc - Trace

## Command Line

    ztc [Options] [-G] Inp

Options
  Standard options, see Standard Command Line Options

-G
  GAP output.

Inp
  Input matrix or permutation.

## Input Files

Inp
  Input matrix or permutation.

## Description

This program reads a matrix or permutation calculates its trace and outputs this to the user. If the input file is a matrix, it is read row by row and the diagonal entries are added up. Note that the matrix need not be square. The result is printed in the form

    Trace is N

For permutations, the trace is calculated as the number of fixed points.