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http://www.openoffice.org/issues/show_bug.cgi?id=95135
Issue #|95135
Summary|Add function for computing linear interpolation of val
|ues
Component|Spreadsheet
Version|OOo 3.0
Platform|All
URL|
OS/Version|All
Status|UNCONFIRMED
Status whiteboard|
Keywords|
Resolution|
Issue type|FEATURE
Priority|P3
Subcomponent|editing
Assigned to|spreadsheet
Reported by|schlotter
------- Additional comments from [EMAIL PROTECTED] Sat Oct 18 20:56:02 +0000
2008 -------
Given a range of x-values and a range of y-values, a function would be useful
that uses these ranges to compute a y-value for a given x-value using linear
interpolation.
Example:
Row/Column A B
1 3 1
2 5 3
3 6 8
4 10 4
5 12 6
In another cell I would then like to use the function LINEARINTERPOLATION:
=LINEARINTERPOLATION(A1:A5; B1:B5; 4) which would evaluate to 2 because the
linear interpolation from point (3,1) to (5,3) is (4,2). 3 and 5 are the closest
neighbors to 4.
=LINEARINTERPOLATION(A1:A5; B1:B5; 8) would evaluate to 6.
This is a feature that can be created with the current functions of
OpenOffice.org, but it's too complicated. Also it's a feature that Excel doesn't
have, but is commonly requested
(http://www.google.com/search?q=excel+linear+interpolation).
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