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use the S7 300 achieve the least squares

Created by: mjinux at: 11/14/2008 4:16 PM (2 Replies)

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11/14/2008 4:16 PM	Rate (0)
mjinux Posts: 6 Rating: (0)	I want to use the least squares fit data, and I want to achieve it with S7 300, programme with STL language, anybody who can help me? Thanks
mjinux Posts: 6 Rating: (0)
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11/14/2008 9:29 PM	Rate (0)
jklm Posts: 1742 Rating: (309)	Hello, for a linear regression, you will find the formula to compute the coefficients a and b of the regression line. http://www.efunda.com/math/leastsquares/lstsqr1dcurve.cfm Seems that iterative add and multiply operations should be enough.
jklm Posts: 1742 Rating: (309)
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11/15/2008 1:07 AM	Rate (0)
mjinux Posts: 6 Rating: (0)	edr, thank you very much. And I knew the basic formula, I donnot know how to use the STL language programme the least squares. Anyone who can help me? And give me some example STL language programme. Thanks
mjinux Posts: 6 Rating: (0)	Last edited by: mjinux at: 11/15/2008 1:08 AM
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