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I want to obtain a formula for a curve for the equation (Mx)²+C. I need the
formula to return values for M and C and will have a number of points for the formula to refference. I know Linest can return results for Mx+C formula, but is there a way of returning results for (Mx)²+C? Or is there another function to return results for a curve? |
#2
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See:
http://spreadsheetpage.com/index.php...line_formulas/ -- Gary''s Student - gsnu200831 "Baffeled" wrote: I want to obtain a formula for a curve for the equation (Mx)²+C. I need the formula to return values for M and C and will have a number of points for the formula to refference. I know Linest can return results for Mx+C formula, but is there a way of returning results for (Mx)²+C? Or is there another function to return results for a curve? |
#3
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Let the x-values be in A2:A6 and the y-values in B2:B6
Select two cells to receive the M and C values; type =LINEST(B2:B6,A2:A6^2); press SHIFT+CTRL+ENTER as this is an array formula Note that this fits the data to mx²+c so you will need to take the square root of LINEST's slope to get your M if to are fitting to y=(Mx)²+c See http://people.stfx.ca/bliengme/ExcelTips/Polynomial.htm best wishes -- Bernard V Liengme Microsoft Excel MVP http://people.stfx.ca/bliengme remove caps from email "Baffeled" wrote in message ... I want to obtain a formula for a curve for the equation (Mx)²+C. I need the formula to return values for M and C and will have a number of points for the formula to refference. I know Linest can return results for Mx+C formula, but is there a way of returning results for (Mx)²+C? Or is there another function to return results for a curve? |
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