mm_maths/math/array/reduction/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 reduction = require('./index');
var arr = [
	[
		[
			[1, 2, 3],
			[4, 5, 6],
			[7, 8, 9],
		],
		[
			[2, 3, 4],
			[5, 6, 7],
			[8, 9, 10],
		]
	],
	[
		[
			[2, 3, 4],
			[4, 6, 8],
			[8, 9, 12]
		],
		[
			[3, 4, 5],
			[6, 8, 10],
			[9, 12, 15]
		]
	],
	[
		[
			[3, 4, 5],
			[6, 8, 10],
			[9, 12, 15]
		],
		[
			[9, 12, 15],
			[6, 8, 10],
			[3, 4, 5]
		]
	]
];

console.log(reduction(arr, 2));
console.log(reduction(arr, 1));