Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving01:29

Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving

282
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
282
Sequence Networks of Rotating Machines01:24

Sequence Networks of Rotating Machines

481
A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
481
Combinatorial Gene Control02:33

Combinatorial Gene Control

9.5K
Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
9.5K
Woodward–Hoffmann Selection Rules and Microscopic Reversibility01:34

Woodward–Hoffmann Selection Rules and Microscopic Reversibility

3.8K
Electrocyclic reactions, cycloadditions, and sigmatropic rearrangements are concerted pericyclic reactions that proceed via a cyclic transition state. These reactions are stereospecific and regioselective. The stereochemistry of the products depends on the symmetry characteristics of the interacting orbitals and the reaction conditions. Accordingly, pericyclic reactions are classified as either symmetry-allowed or symmetry-forbidden. Woodward and Hoffmann presented the selection criteria for...
3.8K
Ampere-Maxwell's Law: Problem-Solving01:17

Ampere-Maxwell's Law: Problem-Solving

1.1K
A parallel-plate capacitor with capacitance C, whose plates have area A and separation distance d, is connected to a resistor R and a battery of voltage V. The current starts to flow at t = 0. What is the displacement current between the capacitor plates at time t? From the properties of the capacitor, what is the corresponding real current?
To solve the problem, we can use the equations from the analysis of an RC circuit and Maxwell's version of Ampère's law.
For the first part of the...
1.1K
Randomized Experiments01:13

Randomized Experiments

8.8K
The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
8.8K

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

CauFinder: Steering Cell-State and Phenotype Transitions by Causal Disentanglement Learning.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2026
Same author

Identifying the optimal rapid antigen test for screening and determining the end of isolation: A modeling study.

PLoS computational biology·2026
Same author

Force Learning in Balanced Cortical E-I Networks.

Neural computation·2026
Same author

Psychological distress among Japanese high school students during the COVID-19 pandemic: An energy landscape analysis.

PLoS medicine·2026
Same author

Stratification of viral shedding patterns in saliva of COVID-19 patients.

eLife·2026
Same author

Prediction of graft loss in living donor liver transplantation during the early postoperative period.

PLoS computational biology·2025
Same journal

Hidden Data Recovery and Forecasting via Next-Generation Reservoir Computing With Multiscale Delay Selection.

IEEE transactions on neural networks and learning systems·2026
Same journal

CAFF-CIL: Causality-Aware Freedom Forgetting Approach for Class-Incremental Learning.

IEEE transactions on neural networks and learning systems·2026
Same journal

Harmonic Autoencoding Framework for Multiple Tasks in Magnetic Particle Imaging Reconstruction.

IEEE transactions on neural networks and learning systems·2026
Same journal

A Survey on Human-Centric Voice-Face Multimodal Learning.

IEEE transactions on neural networks and learning systems·2026
Same journal

Vision-Assisted Foundation Model for Solving Multitask Vehicle Routing Problems.

IEEE transactions on neural networks and learning systems·2026
Same journal

FP3O: Enabling Proximal Policy Optimization in Multiagent Cooperation With Parameter-Sharing Versatility.

IEEE transactions on neural networks and learning systems·2026
Ver todos los artículos relacionados

Video Experimental Relacionado

Updated: Jan 14, 2026

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
11:53

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy

Published on: October 14, 2017

12.1K

Retropropagación caótica de grafos inspirada en el cerebro para la optimización combinatoria

Peng Tao, Kazuyuki Aihara, Luonan Chen

    IEEE transactions on neural networks and learning systems
    |January 12, 2026
    PubMed
    Resumen
    Este resumen es generado por máquina.

    Este estudio presenta la retropropagación caótica de grafos (CGBP), un nuevo algoritmo de entrenamiento para redes neuronales de grafos (GNN). CGBP mejora las GNN para problemas de optimización combinatoria (COP), superando a los métodos existentes al evitar mínimos locales.

    Palabras clave:
    redes neuronales de grafosoptimización combinatoriaaprendizaje profundodinámica caóticaretropropagación

    Más Videos Relacionados

    Inherent Dynamics Visualizer, an Interactive Application for Evaluating and Visualizing Outputs from a Gene Regulatory Network Inference Pipeline
    10:44

    Inherent Dynamics Visualizer, an Interactive Application for Evaluating and Visualizing Outputs from a Gene Regulatory Network Inference Pipeline

    Published on: December 7, 2021

    2.6K

    Videos de Experimentos Relacionados

    Last Updated: Jan 14, 2026

    The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
    11:53

    The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy

    Published on: October 14, 2017

    12.1K
    Inherent Dynamics Visualizer, an Interactive Application for Evaluating and Visualizing Outputs from a Gene Regulatory Network Inference Pipeline
    10:44

    Inherent Dynamics Visualizer, an Interactive Application for Evaluating and Visualizing Outputs from a Gene Regulatory Network Inference Pipeline

    Published on: December 7, 2021

    2.6K

    Área de la Ciencia:

    • Inteligencia Artificial
    • Aprendizaje Automático
    • Ciencia Computacional

    Sus antecedentes:

    • Las redes neuronales de grafos (GNN) ofrecen soluciones aproximadas eficientes para problemas de optimización combinatoria (COP).
    • Los métodos actuales de retropropagación en GNN a menudo caen en mínimos locales, lo que limita el rendimiento de la optimización.
    • Los métodos existentes luchan por igualar el estado del arte (SOTA) en la resolución de COPs a gran escala.

    Objetivo del estudio:

    • Desarrollar un nuevo algoritmo de entrenamiento para GNN que supere las limitaciones de la retropropagación tradicional.
    • Mejorar el rendimiento de optimización de las GNN para resolver problemas complejos de optimización combinatoria.
    • Introducir un método de entrenamiento inspirado en la dinámica caótica para mejorar el aprendizaje de GNN.

    Principales métodos:

    • Se introdujo la Retropropagación Caótica de Grafos (CGBP), un nuevo algoritmo de entrenamiento para GNN.
    • Se incorporó una función de pérdida local en el proceso de entrenamiento de GNN para inducir dinámica caótica.
    • Se aprovechó la ergodicidad global y la pseudorandomidad de la dinámica caótica para un aprendizaje efectivo de GNN.

    Principales resultados:

    • CGBP demuestra un aprendizaje eficiente y global de GNN para resolver COPs.
    • Se aplicó CGBP a los problemas de Conjunto Independiente Máximo (MIS), Corte Máximo (MC) y Coloreo de Grafos (GC).
    • Se logró un rendimiento competitivo o superior en comparación con los métodos SOTA en conjuntos de datos de referencia a gran escala.

    Conclusiones:

    • CGBP aborda eficazmente el problema de los mínimos locales en el entrenamiento de GNN para COPs.
    • La dinámica caótica en CGBP permite una optimización eficiente y global.
    • CGBP sirve como un módulo universal enchufable para mejorar los métodos de aprendizaje existentes para una mejor búsqueda y rendimiento.