mm_maths/math/stock/EMA/test.js

这是一个可以将数学公式推导变形，并转成js和计算的模块。

const EMA = require('./index');
console.log(EMA([1, 2, 3, 4, 5, 1, 2, 3, 4, 5], 2));
console.log(EMA([2, 4, 6, 8, 16, 2, 4, 6, 8, 16], 3));
console.log(EMA([21, 37, 25, 36, 30.5, 21, 37, 25, 36, 30.5], 5));