A sigmoid function is a mathematical function having an "S" shape (sigmoid curve). Often, sigmoid function refers to the special case of the logistic function defined by the formula S ( t ) = 1 / (1 + e^-t)
Sigmoid function (Wikipedia)
Questions tagged [sigmoid]
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MNIST: gets lower accuracy than the results I see on the internet
I am trying to train a fully connected neural network to classify hand-written number using MNIST datasets. The neural network is implemented by me in C++. This is part of my course project. However, I find the training is somehow weird. I do not…
Ronghao
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