Algophobia Algophobia Algophobia is a phobia of pain - an abnormal and persistent fear of pain that is far more powerful than that of a normal person. Algophobia is much more common in elderly people. It can be treated with behavioral therapy and anti-anxiety medication. The term comes from the , "álgos", "pain" and , "phóbos", "fear". According to Sabino Metta, a behavioral psychologist, the phobic reaction is a learned behavior. A common example of this would be an elderly person who hears about all of their friends suffering from various ailments and pains. This person will begin to anticipate the
Persistent array Persistent array In computer science, and more precisely in data structure, a persistent array is a persistent data structure with properties similar to array. An array formula_1 being a data structures, with a fixed number "n" of elements formula_2. It is expected that, given the array "ar" and an index formula_3, the value formula_4 can be retrieved quickly. This operation is called a look-up. Furthermore, given the array "ar", an index formula_3 and a new value "v", a new array "ar2" with content formula_6 can be created quickly. This operation is called an update. The main difference between persistet and