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Langevin Monte Carlo algorithm

Sampling from a log-concave distribution with compact support with proximal Langevin Monte Carlo

Sampling from a log-concave distribution with compact support with proximal Langevin Monte Carlo

... uniform density on K and n = ˜ Ω(d 12 ) if π is a log-concave density. Theorem 2 improves these bounds for the MYULA algorithm. Note however that the itera- tions of PLMC stay within the constraint set K and this ...

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Optimized Population Monte Carlo

Optimized Population Monte Carlo

... GAPIS algorithm [18] is an AIS method that exploits the gradient and the Hessian of the logarithm of the target, and also introduces an artificial repulsion among proposals to promote the diversity (without any ...

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Stochastic Quasi-Newton Langevin Monte Carlo

Stochastic Quasi-Newton Langevin Monte Carlo

... Riemannian Langevin Dynam- ics (SGRLD), where they defined the sampler on the Rie- mannian manifold by borrowing ideas from ( Girolami & Calderhead , 2011 ...

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Non-Asymptotic Analysis of Fractional Langevin Monte Carlo for Non-Convex Optimization

Non-Asymptotic Analysis of Fractional Langevin Monte Carlo for Non-Convex Optimization

... that Langevin Monte Carlo (LMC) algorithms can be beneficial for non- convex optimization, and rigorous theoretical guarantees have been proven for both asymp- totic and finite-time ...(GD) ...

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Efficient Bayesian Computation by Proximal Markov Chain Monte Carlo: When Langevin Meets Moreau.

Efficient Bayesian Computation by Proximal Markov Chain Monte Carlo: When Langevin Meets Moreau.

... Metropolis-Hastings algorithm. Because π is this time the target distribution, this algorithm is called the Metropolis Adjusted Langevin Algorithm (MALA), a term coined by Roberts and Tweedie ...

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The Tamed Unadjusted Langevin Algorithm

The Tamed Unadjusted Langevin Algorithm

... [LFR17] S. Livingstone, M. F. Faulkner, and G. O. Roberts. “Kinetic energy choice in Hamiltonian/hybrid Monte Carlo”. In: ArXiv e-prints (June 2017). arXiv: 1706.02649 [stat.CO] . [LMS07] H. Lamba, J. C. ...

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An efficient sampling algorithm for variational Monte Carlo.

An efficient sampling algorithm for variational Monte Carlo.

... proposed algorithm because it contains three different types of atoms 共H, C, and ...the Langevin algo- rithm is given in Table V ...Langevin algorithm. The optimal inefficiency is again lower ...

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Monte Carlo Methods in Statistics

Monte Carlo Methods in Statistics

... in Langevin al- gorithms (see Robert and Casella 2004, section ...Metropolis–Hastings algorithm whose scale is calibrated towards an acceptance rate of ...generic algorithm applying to any target ...

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Efficient stochastic optimisation by unadjusted Langevin Monte Carlo. Application to maximum marginal likelihood and empirical Bayesian estimation

Efficient stochastic optimisation by unadjusted Langevin Monte Carlo. Application to maximum marginal likelihood and empirical Bayesian estimation

... a Monte Carlo stochastic simulation algorithm to approximate the gradients that drive the optimisation procedure [ 48 , 17 , 37 , 30 ...chain Monte Carlo (MCMC) algorithms, leading to a ...

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Langevin-based Strategy for Efficient Proposal Adaptation in Population Monte Carlo

Langevin-based Strategy for Efficient Proposal Adaptation in Population Monte Carlo

... Population Monte Carlo (PMC) algorithms are a family of adaptive importance sampling (AIS) methods for approximat- ing integrals in Bayesian ...PMC algorithm that combines recent advances in the AIS ...

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Sampling from a log-concave distribution with Projected Langevin Monte Carlo

Sampling from a log-concave distribution with Projected Langevin Monte Carlo

... the Langevin Monte Carlo (LMC) algorithm to compactly supported measures via a projection step, akin to projected Stochastic Gradient Descent ...

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Calcul d’Intégral par la Méthode de Monte-Carlo

Calcul d’Intégral par la Méthode de Monte-Carlo

... de Monte-Carlo pour calculer d’intégral par l’espérance dans le cas simple (unidimensionnelle) et compliquée (multidimensionnelles), de plus pour estimer l’erreur numérique de cette méthode on étudie la ...

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Pépite | Méthodes quasi-Monte Carlo et Monte Carlo : application aux calculs des estimateurs Lasso et Lasso bayésien

Pépite | Méthodes quasi-Monte Carlo et Monte Carlo : application aux calculs des estimateurs Lasso et Lasso bayésien

... algorithms around LASSO estimator In this chapter we study, as the temperature goes to zero, the oscilla- tion of a family of Gibbs measures around LASSO estimator. We derive new criteria for estimating LASSO, choosing ...

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Reflexive Monte-Carlo Search

Reflexive Monte-Carlo Search

... 4 Experimental Results For the experiments, the programs run on a Pentium 4 cadenced at 2.8 GHz with 1 GB of RAM. All experiments concern the non-touching version. Table 1 gives the lengths of the best games obtained ...

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Unsupervised Post-Nonlinear Unmixing of Hyperspectral Images Using a Hamiltonian Monte Carlo Algorithm

Unsupervised Post-Nonlinear Unmixing of Hyperspectral Images Using a Hamiltonian Monte Carlo Algorithm

... Unsupervised Post-Nonlinear Unmixing of Hyperspectral Images Using a Hamiltonian Monte Carlo Algorithm Yoann Altmann, Member, IEEE, Nicolas Dobigeon, Senior Member, IEEE, and Jean-Yves T[r] ...

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Troc Combinatoire à Monte-Carlo

Troc Combinatoire à Monte-Carlo

... de Monte-Carlo 1 Allocation Distribuée de Ressources Indivisibles Cet article s’intéresse au problème de partage de ressources indivisibles par des mécanismes distri- ...

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Méthodes de Monte-Carlo en finance

Méthodes de Monte-Carlo en finance

... où r s désigne le taux d’intérêt instantané, τ t,T l’ensemble des temps d’arrêt à valeurs dans [t, T ], Φ la fonction payoff et (F t ) une filtration donnée. cette for- mule telle qu’elle est explicitée est presque ...

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Clock Monte Carlo methods

Clock Monte Carlo methods

... Metropolis algorithm for all the Ising, XY and Heisenberg ...cluster algorithm that already implements the clock technique and has an O(1) computational complex- ...LB algorithm, and thus this ...

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Parallel Nested Monte-Carlo search

Parallel Nested Monte-Carlo search

... (e’) Fig. 5. Parallel communications that can occur during the Last- Minute algorithm server connected with a Gigabit network. We used mes- sage passing with Open MPI [13] as parallel program- ming model. Open MPI ...

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Monte Carlo Methods and stochastic approximations

Monte Carlo Methods and stochastic approximations

... impl ement e ces formules. Les r esultats obtenus sont dans le T ableau 2. Q-CF d esigne le prix calcul e avec cette formule, et Brute repr esente le prix et l'erreur statistique de la m ethode de Monte ...

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