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Objective-C实现马尔可夫链（Markov Chain）算法的示例代码如下：

#import 
   
    @interface MarkovChain : NSObject- (instancetype)initWithTransitionMatrix:(NSDictionary
    
     *)matrix;- (NSDictionary
     
      *>*)computeProbabilityDistributionForState:(NSString*)state;- (NSDictionary
      
       *>*)computeProbabilityDistributionForInitialState;- (NSDictionary
       
        *>*)computeProbabilityDistributionOverTime;- (NSDictionary
        
         *>*)computeProbabilityDistributionForSteps:(NSInteger)steps;- (NSDictionary
         
          *>*)computeProbabilityDistributionForStep:(NSInteger)step;- (NSDictionary
          
           *>*)computeProbabilityDistributionForTimeSeries:(NSArray
           
            *)timeSeries;- (NSDictionary
            
             *>*)computeProbabilityDistributionForTimeSeriesWithStep:(NSInteger)step;- (NSDictionary
             
              *>*)computeProbabilityDistributionForTimeSeriesWithSteps:(NSInteger)steps;- (NSDictionary
              
               *>*)computeProbabilityDistributionForTimeSeriesWithStepsAndInitialState:(NSDictionary
               
                *)initialState;- (NSDictionary
                
                 *>*)computeProbabilityDistributionForTimeSeriesWithStepsAndInitialStateWithStep:(NSInteger)step;- (NSDictionary
                 
                  *)simulateChainWithInitialState:(NSDictionary
                  
                   *)initialState;- (NSDictionary
                   
                    *)simulateChainWithInitialStateAndSteps:(NSDictionary
                    
                     *)initialState withSteps:(NSInteger)steps;- (NSDictionary
                     
                      *)simulateChainWithInitialStateAndStepsAndStep:(NSDictionary
                      
                       *)initialState withStep:(NSInteger)step;- (NSDictionary
                       
                        *)simulateChainWithInitialStateAndStepsAndTimeSeries:(NSDictionary
                        
                         *)initialState withTimeSeries:(NSArray
                         
                          *)timeSeries;- (NSDictionary
                          
                           *)simulateChainWithInitialStateAndStepsAndTimeSeriesWithStep:(NSDictionary
                           
                            *)initialState withStep:(NSInteger)step;- (NSDictionary
                            
                             *)simulateChainWithInitialStateAndStepsAndTimeSeriesWithSteps:(NSDictionary
                             
                              *)initialState withSteps:(NSInteger)steps;@end
                             
                            
                           
                          
                         
                        
                       
                      
                     
                    
                   
                  
                 
                
               
              
             
            
           
          
         
        
       
      
     
    
   

在这个项目中，我们创建了一个名为MarkovChain的类，用于实现马尔可夫链算法。该类通过提供一个状态转移矩阵，可以计算出马尔可夫链模型下的概率分布。以下是类的主要方法：

该类方法可以灵活组合，适用于各种马尔可夫链模型的分析需求。

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