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Last active July 27, 2017 07:33
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L1Regularization.sc
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trait L1Regularization extends INDArrayWeights {
val l1Regularization: Double
trait INDArrayOptimizerApi extends super.INDArrayOptimizerApi {
this: INDArrayOptimizer =>
abstract override def delta: INDArray = {
import org.nd4s.Implicits._
super.delta + Transforms.sign(weight.data) * l1Regularization
}
}
override type INDArrayOptimizer <: INDArrayOptimizerApi with Optimizer
}
MIT License
Copyright (c) 2017 ThoughtWorks Inc.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
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The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
@Atry
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Atry commented Jul 27, 2017

PR: https://gist.github.com/Atry/843f606fc89bd4594ffcd03853c6edc6/revisions

Add the missing import org.nd4j.linalg.ops.transforms.Transforms

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