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请问大神 我这个那里错了？？？ 灰色模型。
你这句错的好几处啊 a1=inv（G‘*G）*G'*Y 首先，G‘*G 不可逆，你求逆得得到错误结果。 第二，G 是 1x2的矩阵，Y 是 199x1，G'*Y 怎么能乘的起来，你自己设置断点单步运行一下就能看出来哪里出问题了，知道问题在哪就知道怎...
3 years ago | 0
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