286 reputation
313
bio website
location Aylesbury Buckinghamshire, UK
age 30
visits member for 1 year, 8 months
seen Sep 9 at 16:26

quadratic linear form XFX with matrix

F:  1   1
    1   1

in canonical base can be expressed as X' F' X'

X'  1   0   X'   
    0   0

where X'=A-1X, F'=AFA and A is transition matrix. Canonical base vectors are [1,0] and [-1,1]. Thus this is correct that (a+b)^2 = a^2 + b^2 + 2ab


286 Reputation

8
× 11
0
× 4
8
× 2
0
× 3
2
× 4
0
× 2
2
× 4
0
× 2
0
× 4
0
× 2
Stack Overflow 14,484 rep 2939
Mathematics 371 rep 111
Quantitative Finance 336 rep 27
Ask Ubuntu 286 rep 313
Server Fault 199 rep 19

17 Votes Cast

all time   by type  
17 up 3 question
0 down 14 answer