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Re: How to increase array size by 1 [message #72020]

Wed, 04 August 2010 12:57

Fermiona Fermiona
Messages: 17
Registered: June 2010

Junior Member

Thank you David

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Re: How to increase array size by 1 [message #72021 is a reply to message #72020]

Wed, 04 August 2010 12:13

penteado
Messages: 866
Registered: February 2018

Senior Member
Administrator

On Aug 4, 3:57 pm, Fermiona Fermiona <fermion...@gmail.com> wrote:
> Hello
>
> I have a 2D array:
>
> xyz = fltarr (5,Size)
>
> How can I increase the number of rows to Size+1?
>
> Thank you

xyz=[[xyz],[fltarr(5)]]

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Re: How to increase array size by 1 [message #72022 is a reply to message #72021]

Wed, 04 August 2010 12:12

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Fermiona Fermiona writes:

> I have a 2D array:
>
> xyz = fltarr (5,Size)
>
> How can I increase the number of rows to Size+1?

IDL> size = 8
IDL> xyz = fltarr (5,Size)
IDL> xyz = [ [xyz], [fltarr(size)] ]
IDL> help, xyz
XYZ FLOAT = Array[5, 9]

You can find more on "Array Concatenation" here:

http://www.dfanning.com/tips/array_concatenation.html

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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