The Math Forum

Search All of the Math Forum:

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

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

Notice: We are no longer accepting new posts, but the forums will continue to be readable.

Topic: find value in structure
Replies: 2   Last Post: Apr 3, 2013 7:29 AM

Advanced Search

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

Posts: 1,067
Registered: 12/7/04
Re: find value in structure
Posted: Apr 3, 2013 6:27 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

"Stefan " <> wrote in message
> Hey Yall,
> I want to find a value within a structure, i know I can find it with a for
> loop but that seems to be insufficient. Example:
> The structure is called tree with field c containing the coordinates of an
> edge and c varies in length depending on the length of the edge! Value is
> a double and the value to find.
> I cant figure out, how to do this with structfun
> structfun(@find, tree.c, value) or
> structfun(@x, find(value == x), tree.c) does not work
> Anyone a solution for my problem?
> Thanks in advance!
> Stefan

Be careful comparing floating point values. You probably want to look for a
value that has only a small difference from value - something like
find(abs(value-x) < tol) where tol depends on the magnitude of value


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

[Privacy Policy] [Terms of Use]

© The Math Forum at NCTM 1994-2018. All Rights Reserved.