标签：style blog java 2014 cti for
牛顿法求平方根公式：参数：要求平方根的数，迭代次数
var sqrt = function (a,accur){
var pre = 1;
for(var i = 0;i<accur;i++){
var cur = 1/2 * (pre + a/pre);
pre = cur;
}
return cur;
}
console.log(sqrt(2,10000));标签：style blog java 2014 cti for
原文地址：http://blog.csdn.net/lan_liang/article/details/37365667
