Re: [EnergyPlus_Support] performance curves of York units

[Chris Jones <cj@xxxxxxxxx>]

WIth DOE2 you can create the curve by entering the curve type and the data 
table.  DOE2 then calculates the coefficients of the curve for you.

I did a 1 minute Google search and came up with the following Excel site:
http://www.tushar-mehta.com/index.html?http://www.tushar-mehta.com/excel/software/polynomials/


At 08:29 24/02/2004, David Cormier wrote:
>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
> >
> >
> >
> >---------------------------------
> >Do You Yahoo!?
> >ÍêÈ«Ãâ·ÑµÄÑÅ»¢µçÓÊ£¬ÂíÉÏ×¢²á»ñÔù¶îÍâ60Õ×ÍøÂç´æ´¢¿Õ¼ä
>
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Chris Jones, P. Eng.
14 Oneida Avenue
Toronto, ON M5J 2E3
Tel. 416 203-7465
Fax. 416 946-1005






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