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Get array dimensions and size of a dimension in Julia – size() Method

Last Updated : 26 Mar, 2020
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The size() is an inbuilt function in julia which is used to return a tuple containing the dimensions of the specified array. This returned tuple format is (a, b, c) where a is the rows, b is the columns and c is the height of the array.

Syntax:
size(A::AbstractArray)
or
size(A::AbstractArray, Dim)

Parameters:

  • A: Specified array
  • Dim: Specified dimension

Returns: It returns a tuple containing the dimensions of the specified array.

Example 1:




# Julia program to illustrate 
# the use of Array size() method
  
# Finding a tuple containing the dimension of
# the specified 1D array A.
A = [5, 10, 15, 20]
println(size(A))
  
# Finding a tuple containing the dimension of
# the specified 2D array B of size 2*2
B = [5 10; 15 20]
println(size(B))
  
# Finding a tuple containing the dimension of
# the specified 3D array C of size 2*2*2
C = cat([1 2; 3 4], [5 6; 7 8], [9 10; 11 12], dims=3)
println(size(C)) 






                        










Output:





Example 2: 













                                    




                                    

                                    




                                    




                                    

                                    

                                    
                                




















# Julia program to illustrate  


# the use of Array size() method 


     


# Finding a tuple containing the dimension of 


# the specified 1D array A. 


A = [1, 2, 3]; 


println(size(A, 3)) 


     


# Finding a tuple containing the dimension of 


# the specified 2D array B of size 3*2 


B = [2 4; 6 8; 10 12]; 


println(size(B, 2)) 


     


# Finding a tuple containing the dimension of 


# the specified 3D array C of size 2*2*4 


C = cat([10 15; 20 25], [30 35; 40 45], 


        [50 55; 60 65], [70 75; 80 85], dims=3); 


println(size(C, 2)) 



















                        







                        










Output:






                            
                            
                        


                                                                              

                                        

                                                                                

                                                                

                            
                                

                                
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                                        Getting first element of an array in Julia - first() Method
                                    

                                

                                                        

                        

                            

                                        

                                            

                                                

                                                

                                                    
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                                                    Kanchan_Ray                                                

                                                

                                                

            
                                            

                                            
                                        

                                        

                                            
                                            

                                                
                                                
                                            

                                            
                                                                            

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