In principle 如果有了整體概念，投奔其他公司，alwasy can寫出 if you

來源: wxc1204 於 2012-12-06 12:13:00 [] [舊帖] [給我悄悄話] 閱讀數 : (348 bytes)

have enough time(related to money). Some algorisms(implemented as codes, very optimized) make the excution much efficient, it probably takes while to figure out if from scratch. Like the commerical math library "numerical recipe", many people just use them to speed up fitting calculation instead of write themself. 

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• optimized code is a good point -用戶名被占用了- ♂ 給 用戶名被占用了 發送悄悄話 用戶名被占用了 的博客首頁 (0 bytes) () 12/06/2012 postreply 12:16:10

• 還有些 code 是基於沒公開的內部研究結果的。 -老忽叔叔- ♂ 給 老忽叔叔 發送悄悄話 (0 bytes) () 12/06/2012 postreply 17:04:12

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