Re: [EnergyPlus_Support] performance curves of York units

["Edward Lyon" <eglyon@xxxxxxx>]

I think you may need the math power of MathCad to do a biquadratic easily, otherwise you will need to program a solution yourself.

Ned Lyon

Senior Project Manager
Simpson Gumpertz & Heger Inc.

41 Seyon Street
Building #1, Suite 500
Waltham, MA  02453

Phone:  781-907-9000
Fax:  781-907-9009


>>> dcormier81@xxxxxxxxxxx 2/24/2004 8:29:06 AM >>>
yes, excel do a good job for quadratic curve .... but the 
biquadratic?????????

if you are able to make biquadratric (f(x,y)) curve with, tell me how ...

david


>From: ÕŹâÓñ <zh_guangyu@xxxxxxxxxxxx>
>To: dcormier81@xxxxxxxxxxx 
>Subject: Re: [EnergyPlus_Support] performance curves of York units
>Date: Tue, 24 Feb 2004 09:55:01 +0800 (CST)
>
>if you can input the data into excell work sheet, then it is easy to find 
>the vurve. by using curve fitting, you quickly get the curve
>
>
>
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