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Accessing every row and column of array in Julia – colon() Operator
  • Last Updated : 21 Apr, 2020

The Colon() is an inbuilt operator in julia which is used to indicate and access every row and column. And also this operator is used to get index of specific element in the spcified array.

Example 1:




# Julia program to illustrate 
# the use of Colon (:) operator
  
# Indicating every row and column
Array1 = [1 2 "Hello"; 3 4 "Geeks"
println(Array1[:, 3])
println(Array1[1, :]) 


Output:

Example 2:




# Julia program to illustrate 
# the use of Colon (:) operator
  
# Accessing every row and column
Array1 = cat([1 2; 3 4],  
              ["hello" "Geeks"; "Welcome" "GFG"],  
              [5 6; 7 8], dims = 3
println(Array1[:, :, 3]) 
  
# Using getindex with colon operator 
println(getindex(Array1, 1, :, 2)) 


Output:

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