a square matrix with all elements not on the main diagonal equal to zero
造句
The square matrix is called a diagonal matrix. 該方矩陣稱為對角矩陣。
We call a matrix the generalized cyclic matrix if it can be written the product of a nonsingular diagonal matrix and a cyclic matrix. 摘要可表為非奇異對角矩陣和循環矩陣乘積的矩陣，我們稱其為廣義循環矩陣。