Graphics Programs Reference
In-Depth Information
-1.5533e+000
1.0928e+000
1.9921e+000
sigma =
8.2604e-003
degree of polynomial = 4
coeff =
-1.5329e-002
4.4813e-001
-1.5906e+000
1.1028e+000
1.9919e+000
sigma =
9.5193e-003
degree of polynomial =
Done
Based on standard deviation, the cubic seemstobe the best candidate for the
interpolant.Before accepting the result, wecompare the plots of the datapoints and
the interpolant—see the figure. The fit does appear to besatisfactory.
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
0.00
0.20
0.40
0.60
0.80
1.00
1.20
1.40
x
Approximating
f
(
x
) by the interpolant, wehave
f
(
x
)
≈
a
1
x
3
a
2
x
2
a
4
+
+
a
3
x
+
so that
f
(
x
)
3
a
1
x
2
+
2
a
2
x
+
a
3
≈
Search WWH ::
Custom Search