Drexel dragonThe Math ForumDonate to the Math Forum


Math Forum
 Ask Dr. Math
 Discussions
 Internet Newsletter
 MathTools
 Problems of the Week
 Teacher2Teacher
 Teacher Exchange
 Workshops

Search All of the Math Forum:
Browse our Internet Mathematics Library

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: Removing a range from an array
Replies: 3   Last Post: Oct 20, 2013 11:34 AM

Advanced Search
Reply to this Topic Reply to this Topic

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

Posts: 7,718
Registered: 6/7/07
Re: Removing a range from an array
Posted: Oct 20, 2013 11:34 AM
  Click to see the message monospaced in plain text Plain Text   Click to reply to this topic Reply

On 10/19/2013 1:10 PM, dpb wrote:
> On 10/19/2013 1:08 PM, dpb wrote:
> ...
>
>> y=x(iswithin(x,22.5,67.5) & iswithin(x,202.5,247.5));
>>
> ERRATUM:
>
> y=x(iswithin(x,22.5,67.5) | iswithin(x,202.5,247.5));
>
> Need 'or', not 'and'
>

ADDENDUM:

Or, conversely, if don't need the original input any longer eliminate
the converse...


x(~(iswithin(x,22.5,67.5) | iswithin(x,202.5,247.5)))=[];

Hopefully I counted/matched paren's correctly... :)

--

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.