Re: [問卦] 問個線代==
※ 引述《qweraakk ()》之銘言:
: 小弟我明天期中考啦 然後也沒朋友可以問
: 請問有沒有鄉民可以教我QQ
: Explain why the columns of n 莋 matrix A span R^n when A is invertible.
教你數學系的通用寫法
什麼it's trivial太隨便了
要寫:
since 題目抄一遍
obviously, 題目要的果抄一遍
這樣就是一個沒有錯的證明了
以你的問題為例:
Explain why the columns of n x n matrix A span R^n when A is invertible.
pf:
Since A is invertible
Obviously the columns of n x n matrix A span R^n.
不信你翻正確解答,一定有這兩行
這無論是拿到線代、高微、代數,還是幾何通通都通用喔
嘻嘻
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※ 編輯: doro0202 (111.83.200.162 臺灣), 04/24/2022 01:26:14
推
我看到 莋
→
我看到 莋
原文引用下來變亂碼啦
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這是老師ppt的版本 他要的是考試要寫
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的版本
沒,老師版本會跟書上一樣: 這個問題留給你們當習題
※ 編輯: doro0202 (111.83.200.162 臺灣), 04/24/2022 01:28:27推
學起來了謝謝XD
推
從你說出trivial我就知道你是誰的學生了
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那唉根value呢
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you can convince yorself
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考卷燒掉
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罰你把線代詩歌重新抄100次
推
黃子嘉QQ
推
子嘉QQ
推
還有continue this procedure
→
in other words, it follows that
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