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In computational number theory, Cornacchia's algorithm is an algorithm for solving the Diophantine equation + = , where < and d and m are coprime ...
Next we need an algorithm to count the number of points on E. Applied to E, this algorithm (Koblitz and others suggest Schoof's algorithm) produces a number m which is the number of points on curve E over F N, provided N is prime. If the point-counting algorithm stops at an undefined expression this allows to determine a non-trivial factor of N.
Approximately 9–12% of people (632 million) have low back pain at any given point in time, [26] and nearly 25% report having it at some point over any one-month period. [7] [8] About 40% of people have low back pain at some point in their lives, [7] with estimates as high as 80% among people in the developed world. [27]
Low back pain accounts for 17% of all physician visits of people aged 65 and older. [37] From this population, a large portion of radicular pain stems not from disk pathology, but from lumbar spinal stenosis. [37] According to Kalff et al., 21% of people over the age of 60 have lumbar spinal stenosis, as confirmed by radiological screening. [38]
In physiology, [B: 2] a refractory period is a period of time during which an organ or cell is incapable of repeating a particular action, or (more precisely) the amount of time it takes for an excitable membrane to be ready for a second stimulus once it returns to its resting state following an excitation. It most commonly refers to ...
One method of producing a longer period is to sum the outputs of several LCGs of different periods having a large least common multiple; the Wichmann–Hill generator is an example of this form. (We would prefer them to be completely coprime, but a prime modulus implies an even period, so there must be a common factor of 2, at least.) This can ...
The above algorithm gives the most straightforward explanation of the conjugate gradient method. Seemingly, the algorithm as stated requires storage of all previous searching directions and residue vectors, as well as many matrix–vector multiplications, and thus can be computationally expensive.
Traditionally, time has been allowed for convalescence to happen. Nowadays, in some instances, where there is a shortage of hospital beds or of trained staff, medical settings can feel rushed and may have drifted away from a focus on convalescence.