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    Matrix Trace

    Alternate name

    spur

    Definition

    The trace of an n×n square matrix A is defined to be Tr(A) congruent sum_(i = 1)^n a_(i i), i.e., the sum of the diagonal elements. The matrix trace is implemented in the Wolfram Language as Tr[list]. In group theory, traces are known as "group characters."

    Related terms

    group character | matrix | square matrix | tensor contraction | tensor trace

    Related Wolfram Language symbol

    Tr

    Back to List | POWERED BY THE WOLFRAM LANGUAGE