Describe the following linear maps T : R² → R² geometrically. In all cases we X write T ()). U (a) T (₂) - (2) (b) rather than T( (e)T()-(-4): = T() - ()

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section: Chapter Questions
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[EX3 Q1] A matrix transformation question :)

1. Describe the following linear maps T : R² → R2 geometrically. In all cases we
X
write T
y
(a) T(") = (-2)
(b)
(c) T
(d)
X
rather than T(
than 7((*
(;') = (-₁,);
T()-():
= (201
T (1)
x/√2+y/√2
1/√₂
-x/√2+y/√2/
Transcribed Image Text:1. Describe the following linear maps T : R² → R2 geometrically. In all cases we X write T y (a) T(") = (-2) (b) (c) T (d) X rather than T( than 7((* (;') = (-₁,); T()-(): = (201 T (1) x/√2+y/√2 1/√₂ -x/√2+y/√2/
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