엑셀 Linear interpolation

2021. 8. 29. 18:42짭지식_Things to take notes/워드&엑셀_Word&Excel

Table에서 Linear Interpolation.xlsx
0.01MB

Table에서 숫자 찾아서 내삽하는 방법

=FORECAST(NewX,OFFSET(KnownY,MATCH(NewX,KnownX,1)-1,0,2), OFFSET(KnownX,MATCH(NewX,KnownX,1)-1,0,2))

=FORECAST($B2,OFFSET($G$2,MATCH($B2,$F$2:$F$40,1)-1,0,2),OFFSET($F$2,MATCH($B2,$F$2:$F$40,1)-1,0,2))

offset에서 마지막에 2를 써주는 이유는 2개의 숫자를 잡는 것이기 때문에 offset만 수행하면 에러난다.

https://www.datadigitization.com/dagra-in-action/linear-interpolation-with-excel/

 

Linear Interpolation with Excel - Dagra Data Digitizer

Dagra exports high resolution data to Excel. A simple Excel formula for linear interpolate of the exported data to get the value you need is given.

www.datadigitization.com