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.
根据散射光强分布与固体微粒直径的关系,用数学迭代法结合计算机技术对数据进行处理,快速获得固体微粒直径大小。
Based on the relation of the light energy distribution and the particle diameter, the particle diameter is obtained quickly by data processing with mathematical iterative and computer technology.
在求解扩散项和投影项时,采用隐式的求解方法,例如高斯—塞德尔迭代法、快速傅里叶变换。
An implicit method is employed in solving diffusion term and projection term, such as Gauss-Seidel iteration method, Fast Fourier Transform.
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