VBA To Read Text Formula And Related Constants And Insert As Formula Into Cell

Jul 30, 2014

I have a situation where I have to curve fit data, this can lead to different formulas being used with varying constants.

Is it possible to pickup a TEXT based formula and related constants from other cells, and then place this into another cell as a functioning formula. For Example

Cell A1 contains the formula as a text string whether it be y=a+bx+cx^2, or y=a+b/x, etc
Cells A2:A6 contain the individual constants, a, b, c, etc

I would then want the VBA to read the text based formula and put it into an output cell as a functioning excel formulae.g

In cell B10: =a+b*A10+c*A10^2

I understand picking the constants up and putting the formula should not be too much of an issue, however trying to insert the variable form of the curve fit is the part that I am struggling with, and am unsure if possible.

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OK OK to illustrate it a little better:

There are three people: Bill, Ted, and Andy. Each one is ranked in Points, so my table looks like this:

A B

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[Code] ....
and
[Code] .....

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I have attached the spreadsheet which I hope will clarify things

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e.g.

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A
B
C

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