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3.11.E28
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MaRDI QID
Q1517
Label: 3.11.E28
Digital Library of Mathematical Functions ID
3.11.E28
S
=
β
j
=
1
J
(
f
β’
(
x
j
)
-
p
n
β’
(
x
j
)
)
2
.
π
superscript
subscript
π
1
π½
superscript
π
subscript
π₯
π
subscript
π
π
subscript
π₯
π
2
{\displaystyle{\displaystyle S=\sum_{j=1}^{J}\left(f(x_{j})-p_{n}(x_{j})\right% )^{2}.}}
Constraint(s)
Symbols List
p
n
β’
(
x
)
subscript
π
π
π₯
{\displaystyle{\displaystyle p_{n}(x)}}
: approximation (locally)
J
>
n
+
1
π½
π
1
{\displaystyle{\displaystyle J>n+1}}
: number of points
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