Gradient

Known as: Gradient of a scalar, Gradient vector, Gradient operator 
In mathematics, the gradient is a generalization of the usual concept of derivative to functions of several variables. If f(x1, ..., xn) is a… (More)
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Topic mentions per year

Topic mentions per year

1935-2018
020004000600019352017

Papers overview

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Highly Cited
2009
Highly Cited
2009
This paper studies gradient-based schemes for image denoising and deblurring problems based on the discretized total variation… (More)
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Highly Cited
2007
Highly Cited
2007
We describe and analyze a simple and effective iterative algorithm for solving the optimization problem cast by Support Vector… (More)
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Highly Cited
2007
Highly Cited
2007
Nonnegative matrix factorization (NMF) can be formulated as a minimization problem with bound constraints. Although bound… (More)
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Highly Cited
2007
Highly Cited
2007
Many problems in signal processing and statistical inference involve finding sparse solutions to under-determined, or ill… (More)
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Highly Cited
2005
Highly Cited
2005
We investigate using gradient descent methods for learning ranking functions; we propose a simple probabilistic cost function… (More)
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Highly Cited
2001
Highly Cited
2001
  • 2001
The advent of electronic computers in the middle of the 20th century stimulated a flurry of activity in developing numerical… (More)
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Highly Cited
1999
Highly Cited
1999
Gradient boosting constructs additive regression models by sequentially tting a simple parameterized function (base learner) to… (More)
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Highly Cited
1999
Highly Cited
1999
Function approximation is essential to reinforcement learning, but the standard approach of approximating a value function and… (More)
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Highly Cited
1996
Highly Cited
1996
Generalized gradient approximations (GGA’s) for the exchange-correlation energy improve upon the local spin density (LSD… (More)
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Highly Cited
1991
Highly Cited
1991
  • MARTIN FODSLETTE MEILLER
  • 1991
-A supervised learning algorithm (Scaled Conjugate Gradient, SCG) is introduced TIw pelformance of SCG is benchmarked against… (More)
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