I never understood them in maths class at skool !
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Basically, just choose an alternative and see where is takes you. Hamlet showed as the way: to be/not to be; take arms against a sea of troubles/by opposing end them; bare bodkin etc.
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A process or set of rules to be followed in calculations or other problem-solving operations.
Or in other words, a method for doing something, not an equation.
Simple example
find_max().
Problem: Given a list of positive numbers, return the largest number on the list.
Inputs: A list L of positive numbers. This list must contain at least one number. (Asking for the largest number in a list of no numbers is not a meaningful question.)
Outputs: A number n, which will be the largest number of the list.
Algorithm:
Set max to 0.
For each number x in the list L, compare it to max. If x is larger, set max to x.
max is now set to the largest number in the list.
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>> Simple example
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>> find_max().
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You are Number Cruncher, and I claim my £5 :)
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Algorithms. - Ted
