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Re: Delta H Comparison

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Re: Delta H Comparison

Subject: Re: Delta H Comparison
From: Mauro Boscarol <email@hidden>
Date: Thu, 6 Aug 2009 20:08:36 +0200

On 5 Aug 2009, at 11:37 AM, Lee Badham wrote:

Hi,
We've got to be a little careful here in what we mean by dH because dH and dh are different.

The discussion has so far been about dh which is the difference in hue angle when using LCh
dH as used in the ISO 12647-7 proofing standard is a different formula
dH=da^2+db^2-dC^2


In the above formula there is a little typo. Correct version is:

   dH^2=da^2+db^2-dC^2

Mauro Boscarol
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Re: Delta H Comparison
From: Lee Badham <email@hidden>
Re: Delta H Comparison
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References:  
  >Delta H Comparison (From: Jon Crook <email@hidden>)
  >Re: Delta H Comparison (From: Lee Badham <email@hidden>)




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