how can i generate hash value from key

HI I want to generate hash value from key (of numbers) then this key I am going to use in block transformation in image processing.pl help me for code of calculating hash from key

Answer 1

[Walter Roberson]

function h = calculate_hash(key)
  h = 0;
end

Hash keys are not necessarily unique or difficult to calculate. You have not given any reason why this would not be a suitable hash function.