Sentences with phrase «fourth order polynomial»

If to justify your values you need to use a fourth order polynomial, as is shown on the trend you present, you have to show that there is a significant improvement in the correlation coefficient between the trend and the data by using three additional fitting parameters.

A simple linear fit to the UAH temperature series gives a correlation coefficient of 0.53, while your fourth order polynomial gives 0.59.

Not exact matches

You get third - order polynomials by adding an x 3 and fourth - order polynomials by adding an x 4.