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# Double Interpolation

## Double Interpolation

(OP)
I wish to know how to do double integration to find a moment coefficient alpha of wall panel

Example
h/l
mu     0.3   0.5
1.0    0.031 0.045
0.9    0.032 0.047
0.8    0.034 0.049
0.7    0.035 0.051

From the table above, how can I get the value of alpha for mu=0.875 and h/l=0.395 using Microsoft Excel

### RE: Double Interpolation

I have developed a spreadsheet that does double interpolatation by using lookup tables.

Would be happy to e-mail you a copy.

bdoize@fciconsultants.com

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