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Opinions on softmax function
2022-07-06 01:06:00 【Xiaorui - & gt; Technology makes dreams, dreams make brilliance.】
About softmax function , Its essence is sigimoid The extension of function . Transform a two classification problem into a multi classification problem .
softmax The result of the function is a probability value , The greater the probability , The more likely it is to be classified as .
In the following illustration ,e The approximate value of is 2.718, Through simple exponential calculation , The intermediate value can be obtained ; Then normalize the intermediate value , You can get the probability value , That is, the result of classification .
here , We also show the exponential function image of high school mathematics .
Obviously , Its value is non negative . After normalization , Its probability is the sum of 1.
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