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Document Type: Example Program
NI Supported: Yes
Publish Date: Sep 6, 2006

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3D Polynomial-Fit and Interpolation

14 ratings | 4.29 out of 5
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Filename: using3dpolyfitandevaluation.llb
Requirements: View

This example shows how to do a polynomial fit with three dimensional data. You can select the order and calculate the polynomial coefficients. Then using the calculated polynomial coefficients and two known parameters, LabVIEW interpolates the third unknown parameter.
The main VI is Using3DPolyFitandEvaluation. Click the Calculate Coefficients button to call the 3Dpolynomialfit VI and calculate the polynomial coefficients based on the 3D input data arrays (x,y,z) and the desired order. Then, click the Interpolate button to call the 3Dpolynomialevaluation VI and find an unknown z based on a known x and y, as well as the calculated polynomial coefficients.

Requirements


Filename: using3dpolyfitandevaluation.llb

Software Requirements


Application Software: LabVIEW Base Development System 7.1
Language(s): LabVIEW

 
14 ratings | 4.29 out of 5
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This example program (this "program") was developed by a National Instruments ("NI") Applications Engineer. Although technical support of this program may be made available by National Instruments, this program may not be completely tested and verified, and NI does not guarantee its quality in any way or that NI will continue to support this program with each new revision of related products and drivers. THIS EXAMPLE PROGRAM IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND AND SUBJECT TO CERTAIN RESTRICTIONS AS MORE SPECIFICALLY SET FORTH IN NI.COM'S TERMS OF USE (http://ni.com/legal/termsofuse/unitedstates/us/).