numerical precision meaning in English
数值精度
Examples
- The precise integration method of differential equation was presented by using 2 algorithm , its numerical precision was also analyzed
运用指数矩阵的2 ~ n类算法,构造了微分方程的精细积分算法,并分析了计算精度。 - The results show that , when the number of grid in numerical region is fewer , the numerical precision in iso - volumetric grid is higher than that in iso - spacing grid
结果表明,当网格节点数较少时,等体积网格比等距网格具有更高的计算精度。 - The impaction of numerical precision on the accuracy of simulated flow field is checked . curving level of throat wall arc mesh is compared to see the effect on flow loss
并比较了数值精度对流场模拟精度的影响和喉道壁面网格的圆弧度处理对流动损失的影响。 - Numerical results all indicate that the two axisymmetric finite elements exhibit better numerical precision , excellent performance at the nearly incompressible limit and distortions of the element geometry , and element performances are improved after optimization . the layout of this thesis is follows
具体表现是:对畸变网格有很好的适应性;计算可靠,不发生poissonlocking现象;对双线性等参元的粗网格精度有很好的改善。 - The concept of row ( column ) transposed matrix and row ( column ) symmetric matrix is given , their basic property is studied , and the formula for full rank factorization and orthogonal diagonal factorization of row ( column ) symmetric matrix are presented , which can reduce dramatically the amount of calculation and save the cpu time and memory without loss of any numerical precision
摘要提出了行(列)转置矩阵与行(列)对称矩阵的概念,研究了其性质,给出了行(列)对称矩阵的满秩分解和正交时角分解公式,极大地减少了行(列)对称矩阵的满秩分解和正交对角分解的计算量与存储量,且没有降低数值精度。