Created
September 13, 2017 11:08
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Calculate the fixed point of cosine in Ruby.
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TOLERANCE = 0.00000000000000000001 | |
def tolerance_equals?(a, b) | |
((a - b) * (a - b)) < TOLERANCE | |
end | |
def recursive_cosine_fixedpoint(a) | |
return a if tolerance_equals?(a, Math.cos(a)) | |
recursive_cosine_fixedpoint(Math.cos(a)) | |
end | |
puts "The fixed point of cosine is #{recursive_cosine_fixedpoint(1)}" | |
# The fixed point of cosine is 0.7390851331706995 |
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