The collect() is an inbuilt method in Ruby returns the new matrix after performing the operation that is given in the block.
Syntax: mat1.collect{|el| operation}
Parameters: The function has the parameter as a block which is the operation which is performed on all elements.
Return Value: It returns the new matrix after performing the operation on all elements.
Example 1:
# Ruby program for collect() method in Matrix # Include matrix require "matrix"
# Initialize a matrix mat1 = Matrix[[1, 21], [31, 18]]
# Prints the value of mat1.collect # after multiplying all elements by 3 puts mat1.collect{|el| el*3}
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Output:
Matrix[[3, 63], [93, 54]]
Example 2:
# Ruby program for collect() method in Matrix # Include matrix require "matrix"
# Initialize a matrix mat1 = Matrix[[13, 1, 5], [12, 1, 5], [11, 2, 5]]
# Prints the value of mat1.collect # after adding 20 to all the elements puts mat1.collect{|el| el+20}
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Output:
Matrix[[33, 21, 25], [32, 21, 25], [31, 22, 25]]