All Forums  Origin中文论坛  Origin 中文论坛 (Chinese Origin Forum)  FAQ:如何判断NLFit拟合初值是否合理?

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Screensize: 640 x 480 800 x 600 1024 x 768 1280 x 1024 UserName: Password: Anti-Spam Code: Format Mode: Basic  Help  Prompt  Format: Font Andale Mono Arial Arial Black Book Antiqua Century Gothic Comic Sans MS Courier New Georgia Impact Lucida Console Script MT Bold Stencil Tahoma Times New Roman Trebuchet MS Verdana   Size 1 2 3 4 5 6   Color Black Red Yellow Pink Green Orange Purple Blue Beige Brown Teal Navy Maroon LimeGreen Message: * HTML is OFF * Forum Code is ON Smilies [quote][i]Originally posted by yuki_wu[/i] [br]Q：当进行 Nonlinear Curve Fit的时候如何判定所给的初值是否能进行拟合？ A：用户使用Nonlinear Curve Fit进行曲线拟合时，需要判断自定义的函数初值是否合理。初值设置在合理值才能获取吻合的拟合曲线。若在NLFit窗口里出现以下红色字体，则说明初值设置不合理，不能进行拟合。 [img]http://www.originlab.com/ftp/forum_and_kbase/Images/Unnamed QQ Screenshot20160517134851.png[/img] [/quote]   Check here to include your profile signature.