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人工智能真的 “无所不能”?多数人认知的只是被神化的传统 IT!
已经非常接近真实值了,如果继续微调,就可以无限接近真实值,虽然一般无法求得最优解,但现实中只是误差可以接受就可以了。通过现有的数据或资料,称为样本,通过尝试求解参数(局部最优解)的过程,就是机器学习的核心内容。误差值是用来控制每次调整参数的幅度。
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