Mathematics
Senior High

行列の直行行列により対角化する問題です。

2行目から3行目の式はどう変わっているのですか?

17 1 8 17 1 8 (+)-(3) 1 17 17 -8 1 17 -8 8-8 8 1 -1 ↑ ↓ 1 1 17 ↑ 1 0 0 -1 17 -8 1 8 -1 18 -9 18 -9 1 0 0 00 よって,x-y+ z = 0, 2y - z = 0 -1 18 -9
行列 対角化 直行行列

Answers

(第2行)ー(第1行)
(第3行)ー(第1行)×17

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