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: Inverse Using Function Handle !!!!
Replies: 1   Last Post: Jan 28, 2013 10:17 AM

Advanced Search

Back to Topic List Back to Topic List Jump to Tree View Jump to Tree View  
Steven Lord

Posts: 17,944
Registered: 12/7/04
Re: Inverse Using Function Handle !!!!
Posted: Jan 28, 2013 10:17 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply



"Waleed Mirza" <waleed.mirza@hotmail.com> wrote in message
news:ke3k1r$9ef$1@newscl01ah.mathworks.com...
> Hi,
>
> I have been trying alot to take inverse of a function handle using
> "finverse" but I am unsuccessful
>
> Its working with f(x) syntax but not with function handles
>

>>> syms x
>>> fh=@(x)(x.^2-9);
>>> f(x) = x^2-9;

>
>>> g= finverse(f)
>
> g(x) =
>
> (x + 9)^(1/2)
>

>>> g= finverse(fh)
> Undefined function 'finverse' for input arguments of type
> 'function_handle'.
>
> PLEASE Anybody Help


The FINVERSE function is ONLY defined for symbolic objects. It will NOT work
with general function handles.

--
Steve Lord
slord@mathworks.com
To contact Technical Support use the Contact Us link on
http://www.mathworks.com




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.