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| Finding coefficients of rational function for linearization http://forum.alglib.net/viewtopic.php?f=2&t=391 |
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| Author: | pborut [ Wed Jun 22, 2011 9:55 am ] |
| Post subject: | Finding coefficients of rational function for linearization |
Hello! My math knowledge is quite far away in history, so I need help with how to compute coefficients A..H for rational function using alglib. Functions are: z = y+(A + B*x + C*x^2) / (1 + D*x + E*x^2) and v = F*z + G*z^2 + H*z^3 Given is set of 8 distinct measured points [y,x]. Measured values are in integer in range 2^-15 .. 2^15 This is practical problem needed for calibrating linearizing function of signal conditioner chip. Thank you. |
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