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- Newsgroups: sci.math
- Path: sparky!uunet!gatech!psuvax1!stokes!shen
- From: shen@math.psu.edu (Jee Shen)
- Subject: Re: Orthogonal Ops (meaning)???
- Message-ID: <BrvCvu.8Br@cs.psu.edu>
- Keywords: direct sum
- Sender: news@cs.psu.edu (Usenet)
- Nntp-Posting-Host: stokes.math.psu.edu
- Reply-To: shen@math.psu.edu
- Organization: Dept. of Mathematics, Penn State University
- References: <#chxr7q@rpi.edu>
- Date: Fri, 24 Jul 1992 01:16:41 GMT
- Lines: 27
-
- In article chxr7q@rpi.edu, sassoj@vccsouth16.its.rpi.edu (John J. Sasso Jr.) writes:
- >Hello,
- >
- > When reading about multiresolution analysis (wavelets), I encountered some
- > math I didn't understand. They refer to operations on sets such as
- > orthogonal addition (?) and the like. The symbol for the former was a circle
- > with a + sign in it. Another symbol I saw was a circle with a - sign in it.
- > What do these operations (and any others similar to these that you can
- > think of ) mean, that is, their definitions.
- >
- > Also, if anyone can give me a good explanation of multiresolution analysis,
- > I would greatly appreciate it. I have trouble finding one in much of the
- > literature out there.
- >
- > John
- >
- >
-
-
- It means direct sum( of two or more linear vector spaces). Try to read some elementary
- linear algebra textbooks to have a better understanding.
-
- Jee Shen
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