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object --+ | TransformationFunction --+ | SigmoidFunction
Sigmoid parameter transformation.
This is a callable class implementing the transformation function y = minValue + (maxValue - minValue) / (1.0 + exp(-exponentMultiplier * x)).
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float or None |
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Inherited from Inherited from |
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functionName = 'SigmoidFunction'
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Inherited from |
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Constructor.
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Compute function value.
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str(x)
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Clip
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Compute inverse. Notice that the inverse diverges towards the borders of the sigmoid function's range. Exactly at the borders, the inverse method attempts to return the closest value that can be transformed without a floating point overflow.
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