最終更新日：2022/12/24
The Kronecker delta 𝛿ᵢⱼ is an example of an isotropic tensor. That is, its components remain invariant with rotation of coordinate axes.
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The Kronecker delta 𝛿ᵢⱼ is an example of an isotropic tensor. That is, its components remain invariant with rotation of coordinate axes.
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