نتایج جستجو برای: standard matrix
تعداد نتایج: 859705 فیلتر نتایج به سال:
In this paper, we give what we believe to be the rst high performance parallel implementation of Strassen's algorithm for matrix multiplication. We show how under restricted conditions, this algorithm can be implemented plug compatible with standard parallel matrix multiplication algorithms. Results obtained on a large Intel Paragon system show a 10-20% reduction in execution time compared to w...
In this paper a fast method for large-scale sparse inversion of magnetic data is considered. The L1-norm stabilizer is used to generate models with sharp and distinct interfaces. To deal with the non-linearity introduced by the L1-norm, a model-space iteratively reweighted least squares algorithm is used. The original model matrix is factorized using the Golub-Kahan bidiagonalization that proje...
Objective: To investigate whether 14-3-3 eta protein is detectable in synovial fluid and blood serum of high performance horses and to study whether any significant correlation between this and matrix metalloproteinase 1 and 3 in horse synovial fluid. Design: Clinical study. Animals: Eleven standard breed horses (seven high performances and four controls). Procedures: Blood serum and fetlock...
Total impurity analysis of a primary standard solution is one of the essential procedures to determine an accurate concentration of the standard solution by the gravimetry. Bi impurity is determined in Pb standard solutions by inductively coupled plasma mass spectrometry (ICP-MS). The direct nebulization of the Pb standard solution produces a significant amount of the Pb matrix-induced molecula...
Background: Identification of hazards is one of the most important parts of industries’ strategies. This can be done using a hazard matrix as an applicable tool which can also rank hazards properly. Methods: In this study, the Delphi method was used to select best alternatives for a hazard matrix. All possible items were gathered and passed Delphi rounds, in which mean, median and standard dev...
The aim of this study is to analyze MMP-2 and sTNF-R1 variability, potent predictors of cardiovascular events, in stable hypertensive patients during a 12-month followup. 234 asymptomatic patients (age 60 ± 13, 136 male) out of 252 patients with essential hypertension were followed up. MMP-2 and sTNF-R1 were measured at baseline and after 12 months (stage I). To compare MMP-2 and sTNF-R1 levels...
Image textural analysis technology has been widely used in the design of automated defect detection systems. Because the presence of defects may change the textural features of an image, a reference image without defects can be compared with the test image to detect whether there are any defects. However, besides defects, the deflection of the input test image could also change its textural fea...
In this paper, we discuss Reed-Muller codes using a set-theoretic approach. We present a new basis of minimum weight codewords which correspond to subspaces of a fixed dimension of affine geometry over GF (2). A generator matrix in standard form is also given. Index Words: Reed-Muller codes, Basis of minimum weight codewords, Incidence matrix, Standard form MR Subject Classification: 94B05, 05B20
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