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However, a language wishing to index arrays from 1 could adopt the convention that every array address is represented by a′ = a – s; that is, rather than using the address of the first array element, such a language would use the address of a fictitious element located immediately before the first actual element. The indexing expression for ...
is how one would use Fortran to create arrays from the even and odd entries of an array. Another common use of vectorized indices is a filtering operation. Consider a clipping operation of a sine wave where amplitudes larger than 0.5 are to be set to 0.5. Using S-Lang, this can be done by y = sin(x); y[where(abs(y)>0.5)] = 0.5;
Pairwise summation is the default summation algorithm in NumPy [9] and the Julia technical-computing language, [10] where in both cases it was found to have comparable speed to naive summation (thanks to the use of a large base case).
A Complete Guide to PivotTables: A Visual Approach (ISBN 1-59059-432-0) (in-depth review at slashdot.org) Excel 2007 PivotTables and PivotCharts: Visual blueprint (ISBN 978-0-470-13231-9) Pivot Table Data Crunching (Business Solutions) (ISBN 0-7897-3435-4) Beginning Pivot Tables in Excel 2007 (ISBN 1-59059-890-3
Whenever the sum of the current element in the first array and the current element in the second array is more than T, the algorithm moves to the next element in the first array. If it is less than T, the algorithm moves to the next element in the second array. If two elements that sum to T are found, it stops. (The sub-problem for two elements ...
The family of Hannah Kobayashi is offering a refund to anyone who helped raise nearly $50,000 to bolster their search for the missing photographer after she was located safely in Mexico.
A hash function that maps names to integers from 0 to 15. There is a collision between keys "John Smith" and "Sandra Dee". A hash function is any function that can be used to map data of arbitrary size to fixed-size values, though there are some hash functions that support variable-length output. [ 1 ]
Towana Looney is the only person in the world living with a functional pig kidney. But her doctor predicts that in less than a decade, pig-to-human organ transplants like hers could become routine.