411 REFERENCE · Wikibooks
Linear Algebra and the C Language/a0fx
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The trace function:
The trace of a square matrix A, denoted tr(A), is the sum of the elements on its main diagonal... Wikipedia: Trace
trace_R(A+B) = trace_R(A) + trace_R(B)
c00a.c
trace_R(AB) = trace_R(BA)
c00b.c
trace(sA) = s*trace(A)
c00c.c
trace(A) = trace(A_t)
c00d.c
trace_R(A) = trace_R(Eigenvalues)
c00e.c
The traces of similar matrices are equal
c00f.c