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  • 1990-1994  (2)
  • 1985-1989  (1)
  • 62M15  (1)
  • Engineering General  (1)
  • Facial paralysis  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Rates of convergence and optimal spectral bandwidth for long range dependence (1994)
    Springer
    Probability theory and related fields 99 (1994), S. 443-473 
    Details
    ISSN: 1432-2064
    Keywords: 60G18 ; 62G07 ; 62M15
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary For a realization of lengthn from a covariance stationary discrete time process with spectral density which behaves like λ1−2H as λ→0+ for 1/2〈H〈1 (apart from a slowly varying factor which may be of unknown form), we consider a discrete average of the periodogram across the frequencies 2πj/n,j=1,..., m, wherem→∞ andm/n→0 asn→∞. We study the rate of convergence of an analogue of the mean squared error of smooth spectral density estimates, and deduce an optimal choice ofm.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01199901
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Gold weights in facial paralysis (revisited) (1994)
    Springer
    European journal of plastic surgery 17 (1994), S. 98-101 
    Details
    ISSN: 1435-0130
    Keywords: Facial paralysis ; Lagophthalmos ; Gold weights
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A retrospective study of 11 patients with facial paralysis was undertaken. Correction of lagophthalmos was accomplished by inserting a dental gold weight into the upper eyelid. All weights were assessed and adjusted to fit the patient's individual need. The primary objective was to achieve adequate eyelid closure and corneal protection. The advantages and disadvantages we experienced with this procedure are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00176925
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A numerical study of various algorithms related to the preconditioned conjugate gradient method (1985)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 21 (1985), S. 1315-1338 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: We present the results of a numerical study of the preconditioned conjugate gradient algorithm, the minimal residual algorithm, the biconjugate gradient algorithm and the bi-minimal residual algorithm using both simple test matrices and more realistic test matrices derived from physical problems. The application of the methods to unsymmetric matrices is considered. We emphasize the importance of a good preconditioning, look at various methods including ICGG(n) and incomplete block factorization, and make some practical recommendations. Some of the folk-lore surrounding the semi-iterative methods is dispelled.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620210711
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    Paper (German National Licenses)
    Fulltext
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