By means of the damp least square method and singular value decomposition method, the misalignment of optical system could be calculated.
采用阻尼最小二乘法与奇异值分解的方法来求解失调量。
On the basis of minimum of bilateral difference errors, a new calculating scheme is deduced for estimating parameters in grey modelling by means of least square.
基于使双向差分误差最小的准则，利用最小二乘原理，本文导出了估计灰色模型参数的一种新计算格式。
And by means of least square method, the relational expression for the two kinds of functions to transform each other is derived.
并通过最小二乘法的数学手段，导出了两种函数相互转换的关系式。
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