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本帖最后由 718281828kc 于 2014-6-1 15:12 编辑一、MOPAC简介　最著名的半经验分子轨道程序包。MOPAC从1981年由J. J. P. Stewart开始开发...

引用 novakon:这个例子所用的算法，很接近传统OCR。但由于MNIST都是手写字体，字形变化很大，所以直接用784维向量而不加处理（比如卷积！）的话，loss func 的收敛情况其实不佳（从模...

建议改进一下：先把Ti板用砂纸打磨处理（320号-1000号-2000号），然后酸洗除氧化膜-碱洗除油（这是电镀工件前处理基本程序）然后把Ti用硝酸萌稀溶液浸泡，放在磁搅加热板上加热分解，加热时确保钛...

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