excel funtion interpolation from left or right

axg275

Active Member
Joined
Oct 5, 2004
Messages
308
Hello All,

Have any of you seen a way to interpolate from the left or the right of the data. I have non-unique data set and there is more than one value for the interpolated value. I would like to grab both solutions but dont know how to go about it.

Any suggestions?

Interpolating for : 4116.0 will give 2 solutions that are : 2,821 & 7,845

38.8 4577.58
2076.7 4148.94
3227.3 4097.99
6152.6 4082.12
8190.6 4122.9
10228.5 4190.43
12266.5 4278.2
14304.4 4384.38
16342.4 4505.41
18380.3 4640.56
20418.2 4788.79
22456.2 4949.31
24494.1 5122.17
26532.1 5305.39
28570 5499.31
30608 5703.64
32645.9 5918.08
34683.9 6142.47
36721.8 6376.77
38759.8 6620.93


Thank you
 

Excel Facts

Copy formula down without changing references
If you have =SUM(F2:F49) in F50; type Alt+' in F51 to copy =SUM(F2:F49) to F51, leaving the formula in edit mode. Change SUM to COUNT.

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