Home Online Manual
Top
Back: syz
Forward: transpose
FastBack: Functions and system variables
FastForward: Control structures
Up: Functions
Top: Singular Manual
Contents: Table of Contents
Index: Index
About: About this document

5.1.153 trace

Syntax:
trace ( intmat_expression )
trace ( matrix_expression )
Type:
int, if the argument is an intmat, resp.
poly, if the argument is a matrix
Purpose:
returns the trace of an intmat, resp. matrix.
Example:
 
  intmat m[2][2]=1,2,3,4;
  print(m);
==>      1     2
==>      3     4
  trace(m);
==> 5
See intmat; matrix.