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summation convention
释义
summation convention
summation convention
[
sə′mā·shən kən‚ven·chən
]
(mathematics)
An abbreviated notation used particularly in tensor analysis and relativity theory, in which a product of tensors is to be summed over all possible values of any index which appears twice in the expression.
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更新时间:2025/11/22 12:44:22