updated tutorial

docs/src/tutorial.jl

@@ -48,16 +48,3 @@ heatmap(data_transformed_m, aspect_ratio=1
 
 # Now we try to do the transformation using a polynomial function
 # we first define the interpolation object using the DataToFunctions package with a polynomial of order 1 
-f_polynomial = get_function_poly(data, 1)
-
-# define the polynomial coefficients
-params = (1.0, 0.0, 1.0, 0.0, 1.0, 0.0)
-
-# apply the transformation
-data_transformed_polynomial = f_polynomial((params))
-
-heatmap(data_transformed_polynomial, aspect_ratio=1
-        , title="Transformed data using a polynomial function of order 1"
-        , titlefontsize=10, size=(500, 500)
-        , xlabel="X", ylabel="Y")
-