gpoly

package

v0.0.0-...-f3abbe6 Latest Latest Go to latest Published: Sep 27, 2020 License: MIT Imports: 3 Imported by: 0

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func PolyAngle(ys []float64) float64

等间距离散点拟合直线的夹角

func PolyFit(xs, ys []float64, degree int) []float64

多项式曲线拟合函数，也就是离散点拟合直线 xs: 横坐标值 ys：纵坐标值 degree：拟合多项式的次数输出：degree次拟合多项式系数(coefficients)，其长度=degree+1，第一个值就是斜率，后面的值是截距误差。若要计算多项式在横坐标上的值，还要继续调用函数PolyVal

func PolyVal(xs []float64, coefficients []float64) []float64

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