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polyfit

Least-squares power series fit

Syntax

c = polyfit(x, y, deg)

Description

Fits a power series polynomial of the given degree to data using least squares.

Parameters

NameDescription
xx values
yy values
degDegree of fitting polynomial

Returns

Coefficient array in ascending order

Examples

Try It
>> polyfit([0 1 2 3], [0 1 4 9], 2)

See Also

polyvalpolyvander