在开始阶段,程序生成的方程还不能解释数据,不过,某些运算的失误与另一些相比要略微少一些。
Initially, the equations generated by the program failed to explain the data, but some failures were slightly less wrong than others.
该研究小组使用此模型处理一系列的方程式,运算数百万的数据包括风速、温度、湿度等大气状况。
The research team uses the model to run millions of numbers -- atmospheric conditions like wind speed, temperature, and moisture -- through a series of equations.
对一个非球面反射镜进行了实测并对测量结果进行插值运算,进而拟合出零件面形的曲线方程。
An aspherical reflector is tested and testing data are processed by the interpolation calculation, then the curve equation of the component surface shape is fitted.
方程与算数的等式不同在于它含有可以参加运算的未知量。
Equation is different from arithmetic identity in that it contains unknown quantity which can join operations.
做为基本计算单元之线性方程组,以矩阵形式表示线性方程组,基础矩阵运算。
Linear equation sets as basic computational unit, expressing linear equation sets in matrix form, basic matrix operations.
本文应用矩阵的运算,给出求二次曲面的切平面方程的一个筒单方法。
From this paper, the equations of tangent planes of a quadratic surface are obtained by matrix operations.
双口网络t参数的理论计算,是通过建立基尔霍夫电压和电流方程,经过代数运算求出t参数。
The theory calculation of double network t reference data, based on the kirchhoff equation of electric voltage and current to get t reference data through algebra calculation.
在假设3中通过引入一种新的运算,把内变量演化方程定义在时间的点集上。
In assumption 3 a new operation is introduced and the evolution equations of internal variables are denned in the point set of time.
应用三元数运算,推导得到了一般三次代数方程的求根公式,结果证明与卡尔丹公式是一致的。
Applying the operation on three ary number, we got the formula that was applied to seeking the roots of normally cubic equation, and proved that the result is consistent with Cardans formula.
利用均衡作用法,借助于计算机符号运算,求出了该方程的精确解析解。
Based on the idea of balancing-act method and the computerized symbolic computation, some exact analytic solutions of the CDGSK equation have been obtained.
本文对用分组法求积分因子做了一些改进;从而使一类微分方程的积分因子,主要通过积分的运算就可以得到。
An improvement was made in grouping to find the integrating factors, so that those for some differential equations will be worked out mainly by integration.
根据热力学理沦并考虑到电弧的作用,运用数值运算方法对灭弧室气流的解析方程进行了计算。
Based on thermodynamics and considerations of the influence of arc, the equations to express the behaviour of gas flow with the arc is solved by numerical method.
使用初应力法对非线性方程组进行迭代计算,避免了组装和分解总体刚度矩阵的繁杂而庞大的运算。
To cut down great calculation of assembling and disassembling of stiffness matrix in the nonlinear procedure, the initial stress method is introduced to resolve the nonlinear equations.
详细地说明了在不同情况下辅助系统的处理方法,通过矩阵运算推导了矩阵热平衡方程的两种变形形式。
The management method about auxiliary system in different condition is explained in detail. The two deformed matrix thermal balance equations are proved in this essay.
差分方程隐式部分采用了LU- SGS方法以避免矩阵运算,对化学反应和振动能量源项采用预处理矩阵以解决刚性问题。
The LU-SGS method is used in implicit part of the difference scheme to avoid matrix operations. The preconditioning technique is used for solving stiffness problem.
提出了区间变量的若干运算规则,和模糊有限元静力控制方程的求解方法。
Several efficient methods for solving the static governing equations of fuzzy FEM were presented.
该算法利用多项式带余除法的相关推论,通过矩阵的列变换来求解关键方程,这样可以快速地得到商式和余式,从而可以减少迭代运算的次数。
The proposed algorithm use the related deduction of division with reminder of polynomials and the key equation is solved by column transformation of matrix.
引入运算符号,导得带任意个集中质量的梁弯曲振动频率方程和振型函数新的解析表达式。
By means of a symbol of operation, the new analytical expressions of the frequency equation and the modal function of lateral vibration of a beam with lumped masses were derived.
通过耦合电路方程,并以动触头上的预压力为约束,经迭代运算,确定动触头的打开时间。
Coupled with circuit equations, the opening time of movable contact also can be calculated using iteration with the restriction of contact force.
本文在赋权二部图上施行矩阵的各种运算之基础上,进一步给出用图求解线性方程组的方法。
On the base of a variety of calculation of matrix used on the empowering bipartite graph, the solutions are further given to solve the linear equations in the graphs.
该方程只涉及乘法运算,用于转换散射电子的空间坐标。
Using the equation to transform spatial coordinate of scattering electron only involves with multiplication.
该方程具有递推的形式且只涉及乘法运算,避免了传统算法中的计算溢出。
The equation has recursion form and only relates to multiplication and will not lead to overflow in calculation.
由于不必进行直接的大型矩阵求逆运算,因而与体积分方程的直接解法相比,所需的机时更少,并减少了对内存的要求。
The method requires less computation time and smaller memory than the direct computation of volume integral equations, since the large scale matrix inversion may be avoided.
运用“幂和理论”,提出一种两电平SHEPWM非线性超越方程组求解算法,可显著降低运算量。
By use of power sums theory, an algorithm to solve two-level SHEPWM nonlinear transcendental equations is put forward which can reduce computational burden greatly.
在齐次方程组求解的过程中,初等行变换的运算过程有时显得并不简便。
In the solving process of homogeneous equation set, the operational procedure for elementary line transformation is sometimes not simple and convenient as it seems to be.
与传统方法相比,该线性方程组法计算简便,运算效率高,并具有足够的精度。
Compared with conventional methods the linear simultaneous system method is simple, highly efficient and with enough accuracy.
分层快速多极算法被用来加速用迭代法求解线性方程组时的矩阵向量乘积的运算。
Multilevel fast multipole method is used to fast calculate the matrix-vector product when we solve the linear system by iterative method.
分层快速多极算法被用来加速用迭代法求解线性方程组时的矩阵向量乘积的运算。
Multilevel fast multipole method is used to fast calculate the matrix-vector product when we solve the linear system by iterative method.
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