How do I create a best-fit polynomial curve in Javascript?

前端未结

关注

 1  1461

不知归路 2021-02-06 10:24

I\'m trying to calculate a best-fit curve for data using a 3-6 order polynomial. I found this tutorial: Cubic Regression (best fit line) in JavaScript

First, I can\'t

1条回答

没有蜡笔的小新 (楼主)

2021-02-06 10:56

Figured it out using Matrix Algebra:

var x = [500,1000,1500,2000,2500,3000,3500,4000,4500,5000,5500,6000,6500,7000];
var y = [50,80,100,160,210,265,340,390,440,470,500,500,495,460];

order = 3;

var xMatrix = [];
var xTemp = [];
var yMatrix = numeric.transpose([y]);

for (j=0;j



jsbin: http://jsbin.com/yoqiqanofo/1/