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quad data
Table of
x
i
x_i
x
i
and
y
i
y_i
y
i
values with
i
=
1
,
2
,
.
.
,
7
i = 1, 2, .., 7
i
=
1
,
2
,
..
,
7
.
i
i
i
1
2
3
4
5
6
7
x
x
x
2
3
4
5
6
7
8
y
y
y
5
0
-3
-4
-3
0
5
The relation is
y
i
=
f
(
x
i
)
y_i = f(x_i)
y
i
=
f
(
x
i
)
, where $f(x) is a qua-dratic function.