When determining empirical formula with test method, estimation value of estimated parameter in regression equation which is obtained with least square method always is a long number.
用实验方法确定经验公式时,回归方程中用最小二乘方法求得的待估参数的估计值往往是一个很长的数。
By means of the damp least square method and singular value decomposition method, the misalignment of optical system could be calculated.
采用阻尼最小二乘法与奇异值分解的方法来求解失调量。
However we want to get the least absolute value of frequency deviation not the least square sum of it.
但是实际需要的是使频率偏差的绝对值最小而不是频率偏差的平方和最小。
The least square problem of the convolution result and real seismic data can be considered as the solution of a huge rarefactional matrix equation, which can be solved by singular value decomposition.
然后将其与地震子波褶积,使其求解结果与实际地震数据的最小平方问题归结为求解一大型稀疏矩阵方程,并采用奇异位分解法求解。
We proved that each square quaternion matrix has at least one right characteristic principal value and its eigenvector, and a concrete solution was given.
证明了对每一个四元数矩阵,至少存在一个右特征主值,存在一个属于它的特征向量,并给出了具体的求解方法。
The total income of national economy and the amount of population are predicted with second-degree moving model and with the principle of least mean square fit error determining designated value n.
利用二次移动平均模型,引入均方拟合误差最小的原理确定出时段数n,对国民经济总收入、人口数量等项目进行了预测。
With the optimization criterion of least square error between the measured creep value and theoretical creep value, microevolution algorithm inverse the creep model parameters directly.
算法以实测蠕变值与理论计算值之间的最小二乘误差为优化准则函数,直接反演计算蠕变模型参数。
And then proceed to find the approximate value of all optimal solutions of mechanism's parameters under the significance of least square without using the initial value.
进而不用初值就能求出最小二乘意义下机构参数全部最优解的近似值。
The mathematic model was established after obtaining the measurement value of the star and the errors of the theodolite were calculated by using the least square method.
在获得星体测量值后,建立数学模型,利用最小二乘法,对经纬仪的各单项差进行解算;
The simulation result shows that GA can effectively reduce the parameters 'value to a small range, and the application of the least square method improves the convergent efficiency.
通过仿真实验发现,遗传算法能很快的将摄像机参数的取值缩小到一个有效范围内,而最小二乘法的应用有效的提高了算法的整体收敛性能。
The simulation result shows that GA can effectively reduce the parameters 'value to a small range, and the application of the least square method improves the convergent efficiency.
通过仿真实验发现,遗传算法能很快的将摄像机参数的取值缩小到一个有效范围内,而最小二乘法的应用有效的提高了算法的整体收敛性能。
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