It looks like you're new here. If you want to get involved, click one of these buttons!

- 140.7K All Categories
- 103.5K Programming Languages
- 6.5K Assembler Developer
- 1.9K Basic
- 39.9K C and C++
- 2.9K C#
- 7.9K Delphi and Kylix
- 4 Haskell
- 9.7K Java
- 4.1K Pascal
- 1.3K Perl
- 2K PHP
- 538 Python
- 37 Ruby
- 4.4K VB.NET
- 1.6K VBA
- 20.8K Visual Basic
- 2.6K Game programming
- 315 Console programming
- 90 DirectX Game dev
- 1 Minecraft
- 111 Newbie Game Programmers
- 2 Oculus Rift
- 9K Applications
- 1.8K Computer Graphics
- 738 Computer Hardware
- 3.4K Database & SQL
- 535 Electronics development
- 1.6K Matlab
- 628 Sound & Music
- 257 XML Development
- 3.3K Classifieds
- 198 Co-operative Projects
- 196 For sale
- 190 FreeLance Software City
- 1.9K Jobs Available
- 602 Jobs Wanted
- 207 Wanted
- 2.9K Microsoft .NET
- 1.8K ASP.NET
- 1.1K .NET General
- 3.4K Miscellaneous
- 8 Join the Team
- 354 Comments on this site
- 69 Computer Emulators
- 2.1K General programming
- 187 New programming languages
- 621 Off topic board
- 186 Mobile & Wireless
- 60 Android
- 124 Palm Pilot
- 338 Multimedia
- 154 Demo programming
- 184 MP3 programming
- 0 Bash scripts
- 23 Cloud Computing
- 53 FreeBSD
- 1.7K LINUX programming
- 370 MS-DOS
- 0 Shell scripting
- 321 Windows CE & Pocket PC
- 4.1K Windows programming
- 930 Software Development
- 416 Algorithms
- 68 Object Orientation
- 90 Project Management
- 93 Quality & Testing
- 262 Security
- 7.6K WEB-Development
- 1.8K Active Server Pages
- 61 AJAX
- 2 Bootstrap Themes
- 55 CGI Development
- 28 ColdFusion
- 224 Flash development
- 1.4K HTML & WEB-Design
- 1.4K Internet Development
- 2.2K JavaScript
- 35 JQuery
- 298 WEB Servers
- 145 WEB-Services / SOAP

am trying to use polynomial division in malab using deconvolution :

[res,rem]=deconv(a,b) my question is : is there a maximum degree of polynomial that this function accept? because it gives me a false result when using it.

the coeficient of the two polynomial are only 0's and 1's.

thanks for your repply.

Terms of use / Privacy statement / Publisher: Lars Hagelin

Programmers Heaven articles / Programmers Heaven files / Programmers Heaven uploaded content / Programmers Heaven C Sharp ebook / Operated by CommunityHeaven

© 1997-2015 Programmersheaven.com - All rights reserved.

## Comments

41% a = 2x^3 + 2x^2 - 2x - 2

% b = 2x - 2

a = [2 2 -2 -2];

b = [2 -2];

% now divide b into a finding the quotient and remainder

[q, r] = deconv(a,b)

You find quotient q = [1 2 1] (q = x2 + 2x + 1), and remainder r = [0 0 0 0] (r = 0), meaning that the division is exact, as expected from the example in the multiplication section

3you're right but this is true somehow only for small degree or small power polynomial but if you try it with a large power polynomial it will gives some false error and when i say large i mean something bigger than x^32 in the nominator and x^32 in the denominator ofcource the polynomial don't contain only this. for matlab the results that it gives seems to be correct as if u do a check using the conv it will say that what it gived is ok, but when u look at the result there is some strange numbers that pop up on the coeficient of the remainder and the result as well large positive and negativ numbers which can't be true cause the coeficiet that i use are only 0's and 1's

may be you have an other idea?

thanks

3you're right but this is true somehow only for small degree or small power polynomial but if you try it with a large power polynomial it will gives some false error and when i say large i mean something bigger than x^32 in the nominator and x^32 in the denominator ofcource the polynomial don't contain only this. for matlab the results that it gives seems to be correct as if u do a check using the conv it will say that what it gived is ok, but when u look at the result there is some strange numbers that pop up on the coeficient of the remainder and the result as well large positive and negativ numbers which can't be true cause the coeficiet that i use are only 0's and 1's

may be you have an other idea?

thanks