给定误差函数、学习率甚至目标变量的规模的选择,训练神经网络会变得不稳定。 训练期间权重的大量更新会导致数值溢出或下溢,通常称为“梯度爆炸” 梯度爆炸的问题在递归神经网络中更常见,例如给定在数百个输入时间步长上展开的梯度累积的 LSTMs。
Get down to business 是日常会话中很常用的英语表达。它的意思是 “进入正题、言归正传”,用来建议“开始着手讨论正事或处理手头的事情”。 例句 Right, now that everyone has met, let's get down to business. 好了,现在大家都互相认识了,我们就进入正题吧。 OK, we have a lot ...
Roar! Whoosh! Bam! I was shooting exploding arrows at the T. rex's gnashing jaws with my crossbow as I teetered atop the rope bridge. Suddenly, a cloud of giant insects buzzed in, whipping stingers ...