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The function y is defined as

y = DQUAD(1, 2, "XC", "YC", x, 1) 

With the following Telitab set in the Data slot:

|DQUAD1|
0
2 "XC" "YC"
"1" 1 1
"2" 2 4
"3" 3 9
"4" 4 16
"5" 5 25
"6" 6 36
"7" 7 49
"8" 8 64
"9" 9 81
"10" 10 100|

For x = 2.5, this relation returns

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The expression is the following:

R_TOT=DQUAD(1, 3, "DRAFT", "VS", "R-TOT", Draft, Vs)

And the dataslot containing:

|DQUAD1|
0
3 "DRAFT" "VS" "R-TOT"
"1" 5 10 10000
"2" 5 11 11000
"3" 5 12 12000
"4" 6 10 11000
"5" 6 11 12000
"6" 6 12 13000
"7" 7 10 12000
"8" 7 11 13000
"9" 7 12 14000|

For Draft=5.6 m and Vs=11.8 m/s, the function returns

 R R-TOT=12400 N

The matrix interpolation can be applied in all except Method 2, obviously not in Method 2 since only x,y data points are provided in that case.

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These methods are similar to syntax 1, for information on how to acces the TeLiTab data with those methods see: TeLiTab access. 

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