Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 119549

Questions about the properties of vector spaces and linear transformations, including linear systems in general.

2 votes
0 answers
85 views

Conditions for $B$ that make $ADB + (ADB)^T$ positive (semi-)definite

I am trying to find conditions under which this dynamical system converges. At the end of the day, we have something like $$ 0 \leq x^TD_0W_0D_1W_1D_2 \dots W_ND_NCx $$ With $D_i$ matrices that are al …
Robert's user avatar
  • 121