Drexel dragonThe Math ForumDonate to the Math Forum



Search All of the Math Forum:

Views expressed in these public forums are not endorsed by Drexel University or The Math Forum.


Math Forum » Discussions » Software » comp.soft-sys.matlab

Topic: i want to simplify this code
Replies: 14   Last Post: Apr 22, 2013 7:11 AM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View   Messages: [ Previous | Next ]
mohammed

Posts: 18
From: egypt
Registered: 12/10/07
Re: i want to simplify this code
Posted: Apr 7, 2013 4:57 PM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

??? Undefined function or method 'conv2' for input arguments of type 'double' and attributes 'sparse 2d real'.

Error in ==> quadtree at 29
b = conv2(double(S==p),ones(p)) > 0;

"Bruno Luong" <b.luong@fogale.findmycountry> wrote in message <kjr8oq$146$1@newscl01ah.mathworks.com>...
> Using convolution:
>
> m = size(I,1);
> P = 2.^(1:5);
> a = [100 200 255 150 50];
> for k = 1:length(P)
> p = P(k);
> b = conv2(double(S==p),ones(p)) > 0;
> if size(b,1) < m
> b(m,end) = false;
> end
> I(b) = a(k);
> end
>
> % Bruno




Point your RSS reader here for a feed of the latest messages in this topic.

[Privacy Policy] [Terms of Use]

© Drexel University 1994-2014. All Rights Reserved.
The Math Forum is a research and educational enterprise of the Drexel University School of Education.