Why do so many cubature formulae have so many positive weights ? (Q1123333)
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scientific article; zbMATH DE number 4109307
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Why do so many cubature formulae have so many positive weights ? |
scientific article; zbMATH DE number 4109307 |
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Why do so many cubature formulae have so many positive weights ? (English)
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1988
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There are considered cubature formulae which are invariant with respect to a transformation group and proved sufficient conditions for such formulae to have positive weights. This is worked out for different symmetries: central symmetry etc. Some examples are given.
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cubature formulae
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central symmetry
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examples
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