用能量范数评估压力场的误差分布。
The energy norm is chosen to assess error distribution of pressure fields.
在能量范数意义下给出了算法的收敛性。
The convergence of the algorithm is given in the sense of energy norm.
利用能量范数的导数的性质,将超越特征值问题转化为常微分方程的初值问题。
And by using the property of derivatives of energy norms, the eigenproblem is transformed safely into a specific initial value problem of an ordinary differential equation.
另一方面,采用传统迭代子和共轭梯度法作为光滑子,我们证明了瀑布型多重网格法对一、二维非线性椭圆边值问题,在能量范数下,均可获得最优收敛阶。
Onthe other hand, with traditional iterations and the conjugate gradient(CG) as smoothers, we can show the optimal convergence rate of the cascadic method in energy norm for 1-D and 2-D cases.
颜色特征采用整数小波低频系数矩阵中环形区域的F -范数,纹理特征则采用高频部分的能量比值。
The circular region F-norms in low frequency band of wavelet transform is used as color feature of the image and the energy ratio of high frequency band is used to form texture descriptor.
颜色特征采用整数小波低频系数矩阵中环形区域的F -范数,纹理特征则采用高频部分的能量比值。
The circular region F-norms in low frequency band of wavelet transform is used as color feature of the image and the energy ratio of high frequency band is used to form texture descriptor.
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