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Re: Weird MIN behavior [message #42746 is a reply to message #42745]

Sun, 20 February 2005 14:28

David G. Grier
Messages: 8
Registered: September 1997

Junior Member

Hi There,

Michael Wallace wrote:

> Can someone explain this?

[snip]

> Abnormal case; why doesn't this work?
>
> IDL> a = [1.0, 2.0, 3.0, 4.0, 5.0]
> IDL> r = dblarr(2)
> IDL> r[0] = min(a, MAX = r[1])
> % MIN: Expression must be named variable in this context: <DOUBLE ((
> 0.00000, 0.00000))>.

The error message says it all: r[1] is an element of an array
rather than a variable. Here's a version that works:

IDL> r[0] = min(a, MAX = b)
IDL> r[1] = b

TTFN,

David

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[Message index]

		Re: Weird MIN behavior By: David Fanning on Mon, 21 February 2005 16:56
		Re: Weird MIN behavior By: Michael Wallace on Mon, 21 February 2005 16:49
		Re: Weird MIN behavior By: James Kuyper on Mon, 21 February 2005 16:13
		Re: Weird MIN behavior By: Michael Wallace on Sun, 20 February 2005 17:56
		Re: Weird MIN behavior By: David Fanning on Sun, 20 February 2005 17:31
		Re: Weird MIN behavior By: Michael Wallace on Sun, 20 February 2005 17:12
		Re: Weird MIN behavior By: Mark Hadfield on Sun, 20 February 2005 14:42
		Re: Weird MIN behavior By: David G. Grier on Sun, 20 February 2005 14:28

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