摘要
用插值方法导出了尺度因子循环矩阵逆矩阵第一行元素的计算公式,利用快速傅里叶变换,给出了求尺度因子循环矩阵逆矩阵的快速算法.
By interpolating method, formulas are derived for the first row elements of the inverse of scaled factor circulant matrices. A fast algorithm for computing the inverse matrices is presented using the fast Fourier transform (FFT).
出处
《宁波大学学报(理工版)》
CAS
2006年第2期189-192,共4页
Journal of Ningbo University:Natural Science and Engineering Edition
关键词
尺度因子循环矩阵
逆矩阵
插值
快速傅里叶变换
scaled factor circulant matrix
inverse matrix
interpolation
fast Fourier transform