計劃進修PhD/Research討論區(19) 早知如此, 何必當初

DouglasMacArthur 2017-5-26 20:41:18

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Athanasios 2017-5-26 20:46:06

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傳教士谷哥 2017-5-26 20:49:34

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呢度個個都咁勁搭唔到咀得個睇字
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[member]堆PHY已經還返晒俾教授
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DouglasMacArthur 2017-5-26 20:54:44

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DouglasMacArthur 2017-5-26 20:58:16

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DouglasMacArthur 2017-5-26 20:58:48

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呢度個個都咁勁搭唔到咀得個睇字
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Michaelzaki 2017-5-26 20:59:03

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呢度個個都咁勁搭唔到咀得個睇字
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傳教士谷哥 2017-5-26 21:08:24

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呢度個個都咁勁搭唔到咀得個睇字
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婆你呀麼彈彈波 2017-5-26 21:36:16

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傳教士谷哥 2017-5-26 21:55:43

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傳教士谷哥 2017-5-26 21:57:20

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Michaelzaki 2017-5-26 22:20:33

問下先我見本real analysis書有construct fields of real number from rational numbers
咁construct fields of rational numbers from integers唔係都應該係同一個idea
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?

Dedekind cut?
Real number係靠整個partition符合well ordering principle,archimedean property.
:^(

btw CS construct integer個方法都幾得意,{},{{}},{{{}}}...
:^(

:^(

完全唔同，construct rational number簡單好多

:^(

可唔可以講埋點解

:^(

Michaelzaki 2017-5-26 22:22:05

問下先我見本real analysis書有construct fields of real number from rational numbers
咁construct fields of rational numbers from integers唔係都應該係同一個idea
:^(
?

Dedekind cut?
Real number係靠整個partition符合well ordering principle,archimedean property.
:^(

btw CS construct integer個方法都幾得意,{},{{}},{{{}}}...
:^(

:^(

完全唔同，construct rational number簡單好多

:^(

:^(

可唔可以講埋點解
:^(

:^(

都係自己google下好d

:^(

J痕叔叔 2017-5-26 22:27:15

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Michaelzaki 2017-5-26 22:28:22

問下先我見本real analysis書有construct fields of real number from rational numbers
咁construct fields of rational numbers from integers唔係都應該係同一個idea
:^(
?

Dedekind cut?
Real number係靠整個partition符合well ordering principle,archimedean property.
:^(

btw CS construct integer個方法都幾得意,{},{{}},{{{}}}...
:^(

:^(

完全唔同，construct rational number簡單好多

:^(

:^(

可唔可以講埋點解
:^(

:^(

都係自己google下好d
:^(

:^(

:^(

以為你話construct real number簡單好多

:^(

其實都係define同prove佢係個field
Rational number straight forward to define
Real number is not

Michaelzaki 2017-5-26 22:29:01

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J痕叔叔 2017-5-26 22:33:39

問下先我見本real analysis書有construct fields of real number from rational numbers
咁construct fields of rational numbers from integers唔係都應該係同一個idea
:^(
?

Dedekind cut?
Real number係靠整個partition符合well ordering principle,archimedean property.
:^(

btw CS construct integer個方法都幾得意,{},{{}},{{{}}}...
:^(

:^(

完全唔同，construct rational number簡單好多

:^(

:^(

可唔可以講埋點解
:^(

:^(

都係自己google下好d
:^(

:^(

:^(

以為你話construct real number簡單好多
:^(

其實都係define同prove佢係個field
Rational number straight forward to define
Real number is not

點解而家先黎睇real analysis

:^(

Michaelzaki 2017-5-26 22:35:54

Dedekind cut?
Real number係靠整個partition符合well ordering principle,archimedean property.
:^(

btw CS construct integer個方法都幾得意,{},{{}},{{{}}}...
:^(

:^(

完全唔同，construct rational number簡單好多

:^(

:^(

可唔可以講埋點解
:^(

:^(

都係自己google下好d
:^(

:^(

:^(

以為你話construct real number簡單好多
:^(

其實都係define同prove佢係個field
Rational number straight forward to define
Real number is not

點解而家先黎睇real analysis
:^(

之前都有睇過但未睇晒

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同埋我ug讀辣殺mkt 無乜讀過數

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依加平時得閒睇下