在深度学习中，激活函数（Activation Function）是神经网络的灵魂。它不仅赋予网络非线性能力，还决定了训练的稳定性和模型性能。那么，激活函数到底是什么？为什么我们非用不可？有哪些经典函数？又该如何选择？
Jan Oberhauser Founder & CEO, n8n
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"We are quite different people - very much yin and yang - but I think decisions are better made with two brains rather than one as it stops hubris," says Begg, who is London-based.