Selective factor extraction in high dimensions
نویسندگان
چکیده
منابع مشابه
Compact integration factor methods in high spatial dimensions
The dominant cost for integration factor (IF) or exponential time differencing (ETD) methods is the repeated vector-matrix multiplications involving exponentials of discretization matrices of differential operators. Although the discretization matrices usually are sparse, their exponentials are not, unless the discretization matrices are diagonal. For example, a two-dimensional system of N × N ...
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ژورنال
عنوان ژورنال: Biometrika
سال: 2017
ISSN: 0006-3444,1464-3510
DOI: 10.1093/biomet/asw059