Ruby | Matrix vstack() function

The vstack() is an inbuilt method in Ruby returns a new matrix resulting by stacking vertically the receiver with the given matrices.
It requires a matrix which is stacked upon vertically.

Syntax: mat1.vstack(mat2)

Parameters: The function needs a matrix which is to be stacked vertically.



Return Value: It returns resultant matrix after stacking is done.

Example 1:

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# Ruby program for vstack() method in Matrix
   
# Include matrix 
require "matrix"
   
# Initialize a matrix 
mat1 =  Matrix[[1, 21], [31, 18]]
mat2 =  Matrix[[4, 6], [3, 9]]
   
# prints the resultant matrix 
puts  mat1.vstack(mat2)

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Output:

Matrix[[1, 21], [31, 18], [4, 6], [3, 9]]

Example 2:

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# Ruby program for vstack() method in Matrix
   
# Include matrix 
require "matrix"
   
# Initialize a matrix 
mat1 =  Matrix[[3, 5, 9], [10, 19, 123]]
mat2 =  Matrix[[12, 12, 13], [19, 18, 89]]
   
# prints the resultant matrix 
puts  mat1.vstack(mat2)

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Output:

Matrix[[3, 5, 9], [10, 19, 123], [12, 12, 13], [19, 18, 89]]


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