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Reshaping array as a vector in Julia – vec() Method
  • Last Updated : 25 Mar, 2020

The vec() is an inbuilt function in julia which is used to reshape the specified array as a one-dimensional column vector i.e, 1D array.

Syntax:
vec(a::AbstractArray)

Parameters:

  • a::AbstractArray: Specified array.

Returns: It returns the reshaped 1D array.

Example 1:



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# Julia program to illustrate 
# the use of Array vec() method
  
# Reshaping the specified array as a 
# one-dimensional column vector 
# i.e, 1D array.
A = ["a", "b", "c", "d"];
println(vec(A))
  
# Reshaping the specified array as a 
# one-dimensional column vector 
# i.e, 1D array.
B = ["ab" "bc"; "cd" "df"];
println(vec(B))
  
# Reshaping the specified array as a 
# one-dimensional column vector 
# i.e, 1D array.
C = cat(["a" "b"; "c" "d"], ["e" "f"; "g" "h"], ["i" "j"; "k" "l"], dims = 3);
println(vec(C))

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Output:

Example 2:

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# Julia program to illustrate 
# the use of Array vec() method
  
# Reshaping the specified array as a 
# one-dimensional column vector 
# i.e, 1D array.
A = [1, 2, 3, 4];
println(vec(A))
  
# Reshaping the specified array as a 
# one-dimensional column vector 
# i.e, 1D array.
B = [1 2; 3 4];
println(vec(B))
  
# Reshaping the specified array as a 
# one-dimensional column vector 
# i.e, 1D array.
C = cat([1 2; 3 4], [5 6; 7 8], [9 10; 11 12], dims = 3);
println(vec(C))

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Output:

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