How To Calculate Fibonacci Extensions in Ruby?

@georgiana.senger 

To calculate Fibonacci extensions in Ruby, you can use the following steps:

1. Define a method that calculates the Fibonacci sequence up to a certain number of terms. For example:

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def fibonacci(n)
  fib = [0, 1]
  (2..n).each do |i|
    fib << fib[i-1] + fib[i-2]
  end
  return fib
end

1. Call the method and store the Fibonacci sequence in a variable:

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fib_sequence = fibonacci(10)

1. To calculate the Fibonacci extensions, multiply the last Fibonacci number by a specified extension factor. For example, to calculate the 1.618 Fibonacci extension:

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extension = fib_sequence.last * 1.618
puts "1.618 Fibonacci extension: #{extension}"

1. Repeat step 3 to calculate other Fibonacci extensions, such as the 2.618 or 4.236 extensions.

By following these steps, you can easily calculate Fibonacci extensions in Ruby.