p = polyfit(x, y, n)
| Parameter | Description |
|---|---|
| x | vector: query points |
| y | vector: fitted values at query points |
| n | positive scalar: degree of polynomial fit |
| Parameter | Description |
|---|---|
| p | vector: Least-squares fit polynomial coefficients |
p = polyfit(x, y, n) returns the coefficients for a polynomial p(x) of degree n that is a best fit for the data in y.
x = linspace(0, 8 * pi, 15);
y = sin(x);
p = polyfit(x, y, 7)| Version | Description |
|---|---|
| 1.0.0 | initial version |