Initial data commit

Task/Polynomial-regression/Gnuplot/polynomial-regression.gnuplot

@@ -0,0 +1,24 @@
+# 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)