请问用nlm()函数求最优解时出现如下语句是什么错误啊?该往哪方面改呢?麻烦解答!谢谢了!
“错误于solve.default(cov, ...) : Lapack例行程序dgesv: 系统正好是奇异的”
楼主: cmq816
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谢谢楼上的回答
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