Round-off Error

To analyze the rounding error of calculator floating-point numbers arithmetic operation is the foundation of numerical calculation method’s error analysis.

对计算机浮点数算术运算的舍入误差进行分析,是对数值计算方法作误差分析的基础。

In this paper we analyze the course of rounding error accumulation in the LU decomposition,and create a model,between the loss accuracy of the result and the scale of matrix,to predict the accuracy of large scale LU decompositions.

本文首先分析LU分解中舍入误差的积累过程,建立精度损失与矩阵规模的关系模型来预测大规模LU分解的精度;然后,根据定点加法的简单、快速、无精度损失的特点,设计高精度乘累加器(HPMAcc),并基于此实现一个细粒度并行LU分解加速器。

In this dissertation, we mainly study numerical properties/algorithms and roundoff error estimates related to least squares problems, as mentioned in the following sections:1.

本文,我们主要研究与最小二乘问题相关的数值算法和舍入误差估计。

In this paper we analyze the difference between the optimal continuous power vector and the optimal discrete one employing the method of round off error analysis in digital compu.

用定点计算舍入误差分析方法,量化功率离散对功率分配最优解的影响,提出两种改进型离散功率控制方法,仿真结果表明提出的改进型算法能很好地抑制自振荡。

This article discussed the method to reduce the error of the calculation from three aspects: error by not in-phase, difference in sample frequency and ideal sample frequency, and finite register length effects.

本文从减小同步误差、小频差序数和减小舍入误差等三个方面入手,减小功率因数角的计算误差。

Influence of Round-off Error on Simulation of Summer Climate in the Northwestern Pacific and East Asia in an AGCM

利用大气环流模式讨论舍入误差对东亚和西北太平洋夏季气候模拟的影响

A new method for restraining the spurious caused by phase truncation in DDS

抑制DDS技术中相位舍位误差的新方法

substitution deletion and insertion error

代换删除和插入误差

Analysis and Prediction of Reentry Error for Reentry Maneuvering Warhead With Integrated Navigation System

复合制导再入机动弹头再入误差分析

In addition, the calculationof insertion errors of measurement heads is presented in the paper.

本文还对测温头插入误差作了计算。

Rectification of this fault is achieved by the insertion of a wedge.

嵌入一个楔子就能纠正这一误差。

alignment error

安装误差;调准误差;定线误差;校正误差;校直误差

accident error,accidental error

偶然误差,随机误差

fractional error

相对误差, 部分误差

margin of error

最大容许误差;最大允许误差;误差界限;误差量

The Research of ECM on the Relation between Guangxi Rural Residents Income and Consumption;

广西农村居民收入与消费的误差修正模型研究

A Method for Eliminating Errors in Dasta Entry Using SPSS;

利用SPSS消除统计数据录入误差的一种方法

General study on falling dispersion error of rocket assisted torpedo

火箭助飞鱼雷入水点散布误差综合分析

Error analysis of dynamical time history method based on displacement loading

基于位移荷载输入动力时程法的误差分析

Probe Induced Error Analysis in Dispersion Measure of Slow wave Structures

慢波结构色散测量中的探针引入误差分析

Analysis of errors of computer-assisted cervical pedicle screw installation

导航辅助置入下颈椎椎弓根螺钉的误差分析

The sum of CPU utilization might varyslightly from100 due to rounding errors in the production of apercentagefigure.

CPU占用率的统计由于舍入错误，也许在百分比数字的总和略有不同，不是100。