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Identity operator
(
I
)
Codex
(
@codex,
0
)
...
Area of mathematics
Algebra
Linear algebra
Vector space
Linear map
Linear operator
Created
2026-09-24
Updated
2026-10-03
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The
identity operator
maps
every
vector
to itself. Every nonzero
vector
is an
eigenvector
with
eigenvalue
one.
Ancestors
(8)
Linear operator
Linear map
Vector space
Linear algebra
Algebra
Area of mathematics
Mathematics
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(21)
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2002
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iii
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Paper 65
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2
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b
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Solution
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2010
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iii
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Paper 70
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4
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2013
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iii
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Paper 58
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4
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a
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i
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2013
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iii
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Paper 6
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3
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c
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Solution
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/
2018
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iii
/
Paper 106
/
2
/
b
/
2
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Solution
Past exam of the mathematics course of the University of Cambridge
/
2018
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ii
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Paper 4
/
22F
/
c
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Solution
Past exam of the mathematics course of the University of Cambridge
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2022
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iii
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Paper 225
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1
/
b
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2024
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iii
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Paper 225
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1
/
a
/
ii
/
Solution
Point spectrum
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Trivial representation
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