对角矩阵及三角矩阵之特征值，相似矩阵，由QR分解计算特征值，主特征值之迭代估算。

Eigenvalues of diagonal and triangular matrices, similarity transforms, calculation of eigenvalues from QR decomposition, iteratively estimating the leading eigenvalue.

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这个水平力按所计算的楼层以上建筑物总荷载的规定百分率进行估算。此值约为该总荷载的百分之十几。

Lateral forces are estimated as stipulated percentages of the total load of the building above the given floor. These are of the order of 10 percent of that load.

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