Calculating m and b for Logarithmic Regression with Small Data Set

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    Logarithmic Regression
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rowardHoark
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I have a very small set of data. Usually 3 points, sometimes 4.

Best fit is a logarithmic equation y=m*Ln(x)+b

How can I obtain m and b?
 

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Linear (in the unknown coefficients, not the argument [itex]x[/itex]) Least squares fit.
 

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