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

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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:

Last Updated : 26 Mar, 2020
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