trace
Sign in to saveAlso known as trace of square matrix, trace of matrix, trace of a matrix
sum of the elements of the main diagonal of a square matrix
In the Vinony graph
Within Vinony's link graph, trace is referenced by 457 other articles, and connects out to linear map, inner product space and Lie algebra.
It is catalogued under topics including Cleanup tagged articles with a reason field from March 2026, Linear algebra and Matrix theory.
Its subject is documented across 41 Wikipedia language editions.
~29 min read
Encyclopedic overview
In linear algebra, the trace of a square matrix A, denoted tr(A), is defined as a sum of the elements on its main diagonal,
a
Excerpted from Wikipedia’s “trace” article, available under the CC BY-SA 4.0 licence.
Connections
linear map
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inner product space
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Lie algebra
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matrix
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vector space
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tensor
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eigenvectors and eigenvalues
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Gaussian elimination
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basis
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diagonal matrix
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matrix multiplication
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dimension of a vector space
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matrix similarity
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kernel
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affine space
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projection
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Jordan normal form
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statistics
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International Standard Book Number
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complex number
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