April 2014
Beginner to intermediate
830 pages
15h 21m
Chinese
Content preview from Mathematica 錦囊妙計
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12.9 以非線性模型進行資料擬合
|
473
對模型使用
Normal
指令即可獲得最佳擬合函數。
延伸資訊
FindFit
與
LeastSquares
等擬合相關指令，請參考 Mathematica 教學文件。
GeneralizedLinearModelFit
與
DesignMatrix
等 指令 也 是 Mathematica 7 新增 功 能， 相
當值得了解一番，請參考教學文件與教學指南。
12.9 以非線性模型進行資料擬合
問題點
你想要為一組資料建立指定數學形式的模型，但當資料行為非線性時，你無法使用
Fit
與
LinearModelFit
等指令進行擬合。[Page-475]
解決方案
Mathematica 7 以前的版本請使用
FindFit
指令擬合。
隨機建立非線性資料
ch12.indd 473 2014/4/2 下午 01:57:45
474
|
第十二章
Mathematica 7 提供
NonlinearModelFit
指令進行完整的擬合運算。
[Page-476]
討論說明
與
LinearModelFit
指令相同，
NonlinearModelFit
也提供豐富的模型統計資訊。
ch12.indd 474 2014/4/2 下午 01:57:46
12.9 以非線性模型進行資料擬合
|
475
例如，你
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