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5.1.156 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
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See
intmat;
matrix.
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