舍入误差

In this paper,based on the skew tent map, a class of discretized finite state chaotic maps are proposed which allow an exact numerical study without round_off errors.

基于skew tent映射，提出了一类离散化的有限状态混沌映射，它允许精确的数值计算，没有舍入误差。

So the computing time of this scheme may be similar to that of Ritz method,but quite less than that of subspace iteration method.

因此，整个计算工作量比子空问迭代法少得多，但由少是从一个初始向量开始迭代，：针兰算时，主要业计算机的舍入误差求衬重特征解。

The experiment results demonstrate power dissipation and area got a 35% and 20% reduction respectively by increasing 0.5% to 1% the round off error.

实验结果显示只需增加0.5%到1%的舍入误差，即可分别得到35%的功耗降低和20%的面积缩减。

When the filter is worked under deep integrated mode, we used the Potteralgorithm of square root filter to avoid calculate disperse, which is conduced by the accumulate of round off error. So we enhanced the systems robustness.

3在深组合工作方式下，卡尔曼滤波采用了平方根滤波的Potter算法，以避免因舍入误差积累造成滤波器的计算发散，提高了组合系统的稳健性。

Through calculation and comparison, Data can also understand that the accuracy of rounding error and a series of other relevant factors.

并且通过计算比较，也可以了解到数据的精度及舍入误差等一系列有关因素。

Adopted by the elimination series, rounding error not been handled well, in need of improvement.

采用按列消去，舍入误差并没得到很好的处理，有待改进。

Is not consider rounding error of circumstances, and after limited to the four-step operation can be linear equations the exact solutions of a class method.

就是在不考虑舍入误差的情况下，经过有限步的四则运算可以得到线性方程组的准确解的一类方法。

A rounding error analysis of the symplectic Lanczos method is given for the Hamiltonian eigenvalue problem.

给出了求解大规模、稀疏Hamilton矩阵特征问题的辛Lanczos算法的舍入误差分析。

It combines algorithmic derivations, perturbation theory, and rounding error analysis, all enlivened by historical perspective and informative quotations.

它结合算法的语源，扰动理论和舍入误差分析，被历史远景和信息丰富的摘引使活泼的全部。

By this iterative method ,the solvability of the matrix equation can be judged automatically.When the matrix equation is consistent ,then,for any initial centrosymmetric matrix pair ,a centrosymmetric solution pair can be obtained within finite iteration steps in the absence of roundoff errors, and the least norm centrosymmetric solution pair can be obtained by choosing a special kind of initial centrosymmetric matrix pair.

当矩阵方程相容时，对任意初始的中心对称矩阵对在没有舍入误差的情况下，经过有限步迭代，得到它的一个中心对称解，并且，通过选择一种特殊的中心对称矩阵对，得到它的最小范数中心对称解。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。