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- // 牛顿法求 平方根
- // 如果要求s(s>1)的平方根, 选取1< X0 <s
- // Xn+1 = (1/2) * (Xn + S / Xn)
- const print = console.log
- function sqrt(s) {
- let [x0, i] = [1, 0]
- while (i++ < 10) {
- x = (1/2.0) * (x0 + s/x0)
- x0 = x
- }
- return x
- }
- print(sqrt(3))
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