Huang, Y.* ; Mabrouk, Y.* ; Gompper, G.* ; Sabass, B.*
    
    
        
Sparse inference and active learning of stochastic differential equations from data.
    
    
        
    
    
        
        Sci. Rep. 12:21691 (2022)
    
    
    
      
      
	
	    Automatic machine learning of empirical models from experimental data has recently become possible as a result of increased availability of computational power and dedicated algorithms. Despite the successes of non-parametric inference and neural-network-based inference for empirical modelling, a physical interpretation of the results often remains challenging. Here, we focus on direct inference of governing differential equations from data, which can be formulated as a linear inverse problem. A Bayesian framework with a Laplacian prior distribution is employed for finding sparse solutions efficiently. The superior accuracy and robustness of the method is demonstrated for various cases, including ordinary, partial, and stochastic differential equations. Furthermore, we develop an active learning procedure for the automated discovery of stochastic differential equations. In this procedure, learning of the unknown dynamical equations is coupled to the application of perturbations to the measured system in a feedback loop. We show that active learning can significantly improve the inference of global models for systems with multiple energetic minima.
	
	
	    
	
       
      
	
	    
		Impact Factor
		Scopus SNIP
		Web of Science
Times Cited
		Scopus
Cited By
		Altmetric
		
	     
	    
	 
       
      
     
    
        Publication type
        Article: Journal article
    
 
    
        Document type
        Scientific Article
    
 
    
        Thesis type
        
    
 
    
        Editors
        
    
    
        Keywords
        
    
 
    
        Keywords plus
        
    
 
    
    
        Language
        english
    
 
    
        Publication Year
        2022
    
 
    
        Prepublished in Year
        
    
 
    
        HGF-reported in Year
        2022
    
 
    
    
        ISSN (print) / ISBN
        2045-2322
    
 
    
        e-ISSN
        2045-2322
    
 
    
        ISBN
        
    
    
        Book Volume Title
        
    
 
    
        Conference Title
        
    
 
	
        Conference Date
        
    
     
	
        Conference Location
        
    
 
	
        Proceedings Title
        
    
 
     
	
    
        Quellenangaben
        
	    Volume: 12,  
	    Issue: 1,  
	    Pages: ,  
	    Article Number: 21691 
	    Supplement: ,  
	
    
 
    
        
            Series
            
        
 
        
            Publisher
            Nature Publishing Group
        
 
        
            Publishing Place
            London
        
 
	
        
            Day of Oral Examination
            0000-00-00
        
 
        
            Advisor
            
        
 
        
            Referee
            
        
 
        
            Examiner
            
        
 
        
            Topic
            
        
 
	
        
            University
            
        
 
        
            University place
            
        
 
        
            Faculty
            
        
 
    
        
            Publication date
            0000-00-00
        
 
         
        
            Application date
            0000-00-00
        
 
        
            Patent owner
            
        
 
        
            Further owners
            
        
 
        
            Application country
            
        
 
        
            Patent priority
            
        
 
    
        Reviewing status
        Peer reviewed
    
 
    
        Institute(s)
        Helmholtz AI - FZJ (HAI - FZJ)
    
 
    
        POF-Topic(s)
        
    
 
    
        Research field(s)
        
    
 
    
        PSP Element(s)
        
    
 
    
        Grants
        European Research Council
    
 
    
        Copyright
        
    
 	
    
    
    
        Erfassungsdatum
        2022-12-19