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Polynomial regression: Difference between revisions
add gnuplot example
m (→[[Polynomial_Fitting#ALGOL 68]]: Category:Libgsl) |
(add gnuplot example) |
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=={{header|gnuplot}}==
<lang gnuplot># The polynomial approximation
f(x) = a*x**2 + b*x + c
# Initial values for parameters
a = 0.1
b = 0.1
c = 0.1
# Fit f to the following data by modifying the variables a, b, c
fit f(x) '-' via a, b, c
0 1
1 6
2 17
3 34
4 57
5 86
6 121
7 162
8 209
9 262
10 321
e
print sprintf("\n --- \n Polynomial fit: %.4f x^2 + %.4f x + %.4f\n", a, b, c)</lang>
=={{header|Octave}}==
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