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See the recommended documentation of this function

Scilab manual >> Linear Algebra > trace

trace

trace

Calling Sequence

trace(X)

Arguments

X

real or complex square matrix, polynomial or rational matrix.

Description

trace(X) is the trace of the matrix X.

Same as sum(diag(X)).

Examples

A=rand(3,3);
trace(A)-sum(spec(A))

See Also

<< sylv Linear Algebra Interpolation >>

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Last updated:
Wed Jan 26 16:23:41 CET 2011