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li_qun

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[求助] 末学愚钝,求教一个matlab fsolve问题

求一个函数的零点,用fzero无法得到正确解,用fsolve可以得到近似解,但后面出现的提醒让人迷惑,看了半天帮助文件,还是没搞清所以然,请大贤援手,问题出在了哪里,应该怎么设置。


Equation Solved, fsolve Stalled

fsolve found a point where the sum of squares of function values is less than the square root of the TolFun tolerance. However, the last step was less than the TolX tolerance, indicating the function may be changing rapidly, or that the function is not smooth near the final point. This is the meaning of stalled.

[ Last edited by li_qun on 2012-3-29 at 15:54 ]
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