tridiagonal
(linear algebra, of a matrix) Having nonzero elements only in the main diagonal and the diagonals directly above and below it
A second or repeated perusal.
An imaginary world experienced while dreaming. / An imagined world that is ideal yet unrealistic; a fantasy.
Dated spelling of weekend.
数値ソルバーは、係数行列が主対角線とその直上および直下の対角線にのみ非ゼロ要素を持つ構造を活用するよう最適化され、計算時間が大幅に短縮されました。
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