Codex Wiki
OurBigBook.com
Site
Source code
Matrix trace
Home
Mathematics
Area of mathematics
Algebra
Linear algebra
OurBigBook.com
Words: 24
The trace is the sum of diagonal entries,
tr
A
=
∑
i
A
ii
.
(119)
Index interchange proves
tr
(
A
B
)
=
tr
(
B
A
)
and hence cyclic invariance under any cyclic permutation of a product.
Ancestors
(5)
Linear algebra
Algebra
Area of mathematics
Mathematics
Home
Incoming links
(6)
Euclidean invariance of the shape operator
Solution
Solution
Solution
Solution
Trace invariants of a Lax equation