平方根法又叫Cholesky分解法，是求解对称正定线性方程组最常用的方法之一。 我们知道，对于一般方阵，为了消除LU分解的局限性和误差的过分积累，而采用了选主元的方法。但对于对称正定矩阵而言，选主元却是完全不必要的。
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现行建筑内部给水、排水设计秒流量计算方法有平方根法、经验法和概率法等。
Currently the methods of design flow rate for domestic drainage which are popularly used in the world include square root method, experience method and probability method.
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另外，推荐了两种解算高次代数方程的方法：葛莱茀平方根法和牛顿—秦九韶法。
In addition, two methods for solving the higher algebraic equations are recommended, i. e., Grafull square root method and Newton-Jing Jiuzhao method.
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直接法中的平方根法，就是利用对称正定矩阵的三角分解而得到的求解对称正定方程组的一种有效方法。
Square root method is one of direct methods, which is an effective method for the solution of symmetrical positive liner equations through triangle decomposition of symmetrical positive matrix.
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This was using something called a bisection method, which is related to something called binary search, which we'll see lots more of later, to find square roots.
你应该想起来,我们是以一个,叫做二分法求平方根的问题结束的，它运用了二分法去求一个数的平方根，二分法和我们将要花很多时间。
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