# ztc man page

ztc — calculate matrix or permutation trace

## Synopsis

**ztc** [Options] *<File>*

## 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.

## Options

**-Q**- Quiet, no messages.
**-V**- Verbose, more messages.
**-T***<MaxTime>*- Set CPU time limit
**-G**- Produce output in GAP format. This option implies -Q.

## Input Files

*File*- The matrix or permutation.

## Info

MeatAxe 2.4.24