K Gc 7¥31 - University of California,...
Transcript of K Gc 7¥31 - University of California,...
![Page 1: K Gc 7¥31 - University of California, Berkeleyceur/course_pages/coursepdf/M54S19Notes10.pdf043=1%41stv-x.be-- - t Kati (i.e.. B-' Cv) in the map B--112dm V above) Matrix of a linear-map](https://reader033.fdocuments.net/reader033/viewer/2022041912/5e67c077c961b50f5d4c86fc/html5/thumbnails/1.jpg)
Coordinatizing 2/26/2019
→ →
Choosing a basis B = Ebb . .
,bn } ← Isomorphism B :lRdimV- V
- ,
T : VFW bijective 4he x. bit - . - txnbi
E.ge ① 1B = { axkbxtclasb.cc IR }.
B = { K2,
K, 13
.
B : 1123 → Pa via [ I ] It ax 't bxtc,
x4xt2 word.
a ]B=[ I ]② V= Col [ If ] = { ( § ] I a. BER }
.
13={11%1,193}B : R' → V via Cab ] It all ]tb[ 7) = [ § ]
Deth CoordinatesofvEVwlrHB# :
043=1%41stv-x.be- - - t Kati
.( i.e. B- ' Cv ) in the
map B -
-112dm V above )
Matrix of a linearmap-
T : V → W linear.
Let BICbe a basis of VIN.
IT]Bis a matrix such that the V,
have
IT]BHB = (Tbc.
Fact IT ],
=
4Th]c - - - [Tbn])E.g T : Bz → Pa
, pox , ↳ (
Gc- Dpw )
'K
'
t 3×2 - 2x
Take B=C= Ex ; x, 13
.
K IT 2x - I
° o7 1-7 yITIB = 7¥31o
,
"
) . Check TCx4xt2 ) = ( CKD Gated )'
= ( 23+2-2 )'
[1%4111]=1 ?] ← 3¥ ,.
= 30041