Trace Sign Video
No video uploaded yet.
Definition
The trace of an n X n matrix A = [a_ij] is the sum of the entries on its main diagonal and is denoted by tr(A). That tr(A) = a_11 + a_22 + ... + a_nn.
Source: Linear Algebra: A Modern Introduction, 3rd edition by David Poole (note-custom edition titled Matrix Algebra)
Other Submissions
BROWSE
All
> Mathematics
> Linear Algebra
> Trace
* video needed
click here to zoom in