comp.lang.idl-pvwave archive: archive » Re: How to test for a vector/matrix of constants?

Home » Public Forums » archive » Re: How to test for a vector/matrix of constants?

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: How to test for a vector/matrix of constants? [message #51767 is a reply to message #51766]

Wed, 06 December 2006 11:59

Foldy Lajos
Messages: 268
Registered: October 2001

Senior Member

On Wed, 6 Dec 2006, Mirko wrote:

> How can I quickly check if a vector/matrix is full of constants (all
> elements equal)?
> For example if a vector contained:
> [2.38,2.38,2.38,...,2.38]
> I want it flagged as a "constant" vector.
>
> I can think of finding differences between successive elements, and
> check for non-zero elements.
>
> Any faster options?
>
> Thanks,
>
> Mirko
>

my solution would be:

mini=min(array, max=maxi)
if mini eq maxi then ...

regards,
lajos

Report message to a moderator

[Message index]

		Re: How to test for a vector/matrix of constants? By: JD Smith on Wed, 06 December 2006 16:00
		Re: How to test for a vector/matrix of constants? By: JD Smith on Wed, 06 December 2006 15:54
		Re: How to test for a vector/matrix of constants? By: JD Smith on Wed, 06 December 2006 15:53
		Re: How to test for a vector/matrix of constants? By: Karl Schultz on Wed, 06 December 2006 15:23
		Re: How to test for a vector/matrix of constants? By: JD Smith on Wed, 06 December 2006 14:10
		Re: How to test for a vector/matrix of constants? By: Foldy Lajos on Wed, 06 December 2006 13:31
		Re: How to test for a vector/matrix of constants? By: Paul Van Delst[1] on Wed, 06 December 2006 13:26
		Re: How to test for a vector/matrix of constants? By: Foldy Lajos on Wed, 06 December 2006 13:05
		Re: How to test for a vector/matrix of constants? By: Bob Crawford on Wed, 06 December 2006 13:04
		Re: How to test for a vector/matrix of constants? By: Karl Schultz on Wed, 06 December 2006 12:58
		Re: How to test for a vector/matrix of constants? By: Paul Van Delst[1] on Wed, 06 December 2006 12:54
		Re: How to test for a vector/matrix of constants? By: Foldy Lajos on Wed, 06 December 2006 11:59
		Re: How to test for a vector/matrix of constants? By: Braedley on Wed, 06 December 2006 11:38
		Re: How to test for a vector/matrix of constants? By: Mirko on Wed, 06 December 2006 11:13
		Re: How to test for a vector/matrix of constants? By: Bob[3] on Wed, 06 December 2006 10:43
		Re: How to test for a vector/matrix of constants? By: Allan Whiteford on Wed, 06 December 2006 10:40
		Re: How to test for a vector/matrix of constants? By: Paul Van Delst[1] on Fri, 08 December 2006 05:48

Previous Topic:	Martin Shultz's MSG_GUI
Next Topic:	Re: histogram along y-axis

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Tue Dec 02 14:04:30 PST 2025

Total time taken to generate the page: 0.64315 seconds