常見(jiàn)例句雙語(yǔ)例句The estimation on the inverse elements of strictly diagonally dominant tridiagonal matrix is established; in this estimation, the nonnegative condition of matrix elements is moved.利用嚴(yán)格對(duì)角占優(yōu)和三對(duì)角矩陣的某些特性,推導(dǎo)出嚴(yán)格對(duì)角占優(yōu)三對(duì)角矩陣逆元素的統(tǒng)一估計(jì)式。In this paper we propose the concept of a weak strictly diagonally dominant matrix given some de terminate sufficient conditions for generalized strictly diagonally dominant matrices.本文提出了弱嚴(yán)格對(duì)角占優(yōu)矩陣的概念,并由此給出了廣義嚴(yán)格對(duì)角占優(yōu)矩陣的若干判定條件。In this paper, some sufficient conditions and a necessary condition for a matrix to be a generalized strictly diagonally dominant matrix is given. Some previous results are improved and generalized.本文給出了廣義嚴(yán)格對(duì)角占優(yōu)矩陣的若干充分條件和必要條件,從而改進(jìn)和推廣了一些已有的結(jié)果。 返回 strictly diagonally dominant matrix