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Default how can you calculate trend line formula values for power series

can use LINEST for linear trendlines, LOGEST for Exp. trendlines, but Ican't
see how to get values for Power series trendlines. Anybody help
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Default how can you calculate trend line formula values for power series

see the website
http://people.stfx.ca/bliengme/ExcelTips/Polynomial.htm
for how to use LINEST for linear, polynomial, log, power, and exponential equations.

Power:
y = ax^b
=LINEST(LN(y-values), LN(x-values))
Gives Ln(a) and b


On Monday, November 02, 2009 5:23 PM newby wrote:


can use LINEST for linear trendlines, LOGEST for Exp. trendlines, but Icannot
see how to get values for Power series trendlines. Anybody help




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