Compute the sigmoid gradient
This commit is contained in:
		
							parent
							
								
									395c5676dc
								
							
						
					
					
						commit
						863f1d7157
					
				
					 1 changed files with 1 additions and 15 deletions
				
			
		| 
						 | 
					@ -12,22 +12,8 @@ g = zeros(size(z));
 | 
				
			||||||
% Instructions: Compute the gradient of the sigmoid function evaluated at
 | 
					% Instructions: Compute the gradient of the sigmoid function evaluated at
 | 
				
			||||||
%               each value of z (z can be a matrix, vector or scalar).
 | 
					%               each value of z (z can be a matrix, vector or scalar).
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					g = sigmoid(z).*(1 - sigmoid(z));
 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					
 | 
				
			||||||
% =============================================================
 | 
					% =============================================================
 | 
				
			||||||
 | 
					
 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
 | 
					 | 
				
			||||||
end
 | 
					end
 | 
				
			||||||
| 
						 | 
					
 | 
				
			||||||
		Reference in a new issue