comp.lang.idl-pvwave archive: archive » remove duplicate elements from a multi-dimensional array efficiently in IDL

Home » Public Forums » archive » remove duplicate elements from a multi-dimensional array efficiently in IDL

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

remove duplicate elements from a multi-dimensional array efficiently in IDL [message #66331]

Fri, 01 May 2009 09:13

chenbo09@gmail.com
Messages: 15
Registered: May 2009

Junior Member

Hello, everyone!

Is there anyone knows a routine in IDL that be capable to remove
duplicate elements from a multi-dimensional array efficiently? I 'm
now working with huge arrays, and I have written one by myself, it
works but is with low efficiency.

example of my problem:
the input array:
1,10,9,100,200
2,11,8,101,201
2,11,8,101,201
3,10,9,100,200
4,7,12,99,199
2,11,8,101,201

goal:
remove the duplicate elements with the same values for the second and
the third column.

expected output:
1,10,9,100,200
2,11,8,101,201
4,7,12,99,199

Thanks for your help!

Bo

Report message to a moderator

[Message index]

remove duplicate elements from a multi-dimensional array efficiently in IDL

By: chenbo09@gmail.com on Fri, 01 May 2009 09:13

Previous Topic:	IDL_tools version 2.0
Next Topic:	Re: A problem with envi_save_rois

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 04:56:58 PDT 2025

Total time taken to generate the page: 0.56645 seconds