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Arrays have a length property that is guaranteed to always be larger than the largest integer index used in the array. It is automatically updated, if one creates a property with an even larger index. Writing a smaller number to the length property will remove larger indices.
An array data structure can be mathematically modeled as an abstract data structure (an abstract array) with two operations get(A, I): the data stored in the element of the array A whose indices are the integer tuple I. set(A,I,V): the array that results by setting the value of that element to V. These operations are required to satisfy the ...
In array languages, operations are generalized to apply to both scalars and arrays. Thus, a+b expresses the sum of two scalars if a and b are scalars, or the sum of two arrays if they are arrays. An array language simplifies programming but possibly at a cost known as the abstraction penalty.
In addition to support for vectorized arithmetic and relational operations, these languages also vectorize common mathematical functions such as sine. For example, if x is an array, then y = sin (x) will result in an array y whose elements are sine of the corresponding elements of the array x. Vectorized index operations are also supported.
Houser, the terrorism and mass-casualty researcher, said vehicle attacks are a concerningly easy way to rapidly kill and injure a large number of people because the attack starts and finishes ...
MOSCOW (Reuters) -The Kremlin praised U.S. President-elect Donald Trump on Friday for criticising Ukrainian missile strikes deep into Russian territory but said discussions about deploying ...
NFL Network's Ian Rapoport added that Watson, a second-round draft pick in 2022, suffered additional damage and his ability to begin next season — the final one of his rookie contract ...
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