$\text{The interpretation of } W \text{ is that each column is a basis element}$.
$\text{The interpretation of } H \text
                            
                        
                        
                            
                                2022-11-07
                            
                            
                        
                     
                            
                             
                            
                             
                            
                             
                            
                             
                            
                             
                            
                             
                            
                             
                            
                             
                            
                            