問(wèn)題已解決
老師 資本市場(chǎng)線這個(gè)圖里,那個(gè)x代表什么?
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你好 是機(jī)會(huì)集的一個(gè)起點(diǎn) 從X到N是有效集.
2023 05/27 10:06
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2023 05/27 10:07
所以,我也可以說(shuō)它是集邊界線上最小風(fēng)險(xiǎn)點(diǎn),沒(méi)錯(cuò)吧?
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2023 05/27 10:21
老師你好,我上面那個(gè)說(shuō)法對(duì)嗎?
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來(lái)來(lái)老師 
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2023 05/27 10:22
所以,我也可以說(shuō)它是集邊界線上最小風(fēng)險(xiǎn)點(diǎn),沒(méi)錯(cuò)吧?
-看圖是的
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