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public interface DiffFunction
An interface for once-differentiable double-valued functions over double arrays. NOTE: it'd be good to have an AbstractDiffFunction that wrapped a Function with a finite-difference approximation.
Function
Method Summary | |
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double[] |
derivativeAt(double[] x)
Returns the first-derivative vector at the input location. |
Methods inherited from interface edu.stanford.nlp.optimization.Function |
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domainDimension, valueAt |
Method Detail |
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double[] derivativeAt(double[] x)
x
- a double[]
input vector
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