Re: [EnergyPlus_Support] Performance curve for the chiller

[Donald Fast <donald@xxxxxxxxxxxxxxxxxxx>]

(Sorry for the strange original message as it was mistakenly sent in html)

There are also many add-ins for Excel to perform more complex curve fits.
Here are a few of the results from a google of "excel curve fit". Both 
of these provide links to further tools. I have one at work, but forget 
which it is as it does not get used lots.

Microsoft *Excel* Add-in to Interpolate, Cubic Spline, and *Curve* *Fit* 
<http://www.ozgrid.com/Excel/excel-interpolate-cubic-curve-fit.htm>
A free collection of functions which extends the capabilities of 
Microsoft *Excel*; developed primarily to facilitate interpolation of 
3-dimensional and *...*
www.ozgrid.com/Excel/ *excel*-interpolate-cubic-*curve*-*fit*.htm - 25k 
- Cached 
<http://66.102.7.104/search?q=cache:n-LCByZRV6cJ:www.ozgrid.com/Excel/excel-interpolate-cubic-curve-fit.htm+excel+curve+fit&hl=en&client=firefox-a> 
- Similar pages 
<http://www.google.ca/search?hl=en&lr=&client=firefox-a&rls=org.mozilla:en-US:official&q=related:www.ozgrid.com/Excel/excel-interpolate-cubic-curve-fit.htm> 


<http://www.idbs.com/xlfit4/>
Mathtools.net : *Excel*/Fitting and Interpolation 
<http://www.mathtools.net/Excel/Fitting_and_Interpolation/>
*...* Interpolate, Cubic Spline, and *Curve* *Fit* for MS *Excel* - 
XlXtrFun.xll, Update Link / Bad Link? Three Dimensional Interpolate and 
Extrapolate Functions; *...*
www.mathtools.net/Excel/Fitting_and_Interpolation/ - 20k - Cached 
<http://66.102.7.104/search?q=cache:ueMIRvSRWj0J:www.mathtools.net/Excel/Fitting_and_Interpolation/+excel+curve+fit&hl=en&client=firefox-a> 
- Similar pages 
<http://www.google.ca/search?hl=en&lr=&client=firefox-a&rls=org.mozilla:en-US:official&q=related:www.mathtools.net/Excel/Fitting_and_Interpolation/> 




Michael J. Witte wrote:

>On 22 Feb 2005, at 9:10, wing sun lee wrote:
>
>  
>
>>I have already checked the microsoft office excel, but it can only solve the
>>curve fit for linear and quadratic equation by the Linest() function.
>>    
>>



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