求非线性方程组的求解的Fortran程序
<P>哪位大师有求解非线性方程组的程序，我现在做的课题需要在已有的非线性方程组程序上加以修改，所以，最好能提供一个具有原代码的Fortran程序。非常感谢各位大师。</P>many can be download from internet
There are several program which you can download from internet. They are certainly good for some problems but not for all of them. It depends on what kind of problem you are cracking with. For normal problem Powell's hybrid algorithm is very efficient and applicable. It's can be download from <a href="http://www.netlib.org" target="_blank" >www.netlib.org</A> in minpack directory. Or you are c programmer,refer to numerical recpide in C. Or downalod gnu gsl source and then study it(very very long).<BR>Sometimes the problem is not so easy and won't let you go. You may face with singular jacobi matrix etc. Then Tensor method can then be used. It can also download from <a href="http://www.netlib.org" target="_blank" >www.netlib.org</A> or go to ACM trans to download source as well as article. <BR>The bad news you have to refer to some least square program to solve you problem. For physical domain, it's okay sometimes...But ...回复：（SQP）求非线性方程组的求解的Fortran程序
求解非线性方程组的算法很多，不知道你要用什么算法
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