"softplus" meaning in English

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      "expansion": "soft + plus",
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  "etymology_text": "From soft + plus.",
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "A smooth approximation to the rectifier in neural networks; it is the analytic function f(x)= ln (1+eˣ)."
      ],
      "id": "en-softplus-en-noun-pqsZbSIr",
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          "rectifier",
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          "neural network",
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        "(mathematics) A smooth approximation to the rectifier in neural networks; it is the analytic function f(x)= ln (1+eˣ)."
      ],
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        "uncountable"
      ],
      "topics": [
        "mathematics",
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  "word": "softplus"
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  "etymology_text": "From soft + plus.",
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        "(mathematics) A smooth approximation to the rectifier in neural networks; it is the analytic function f(x)= ln (1+eˣ)."
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