Some missing Tensor Functions

Mathics3 / mathics-core

An open-source Mathematica. This repository contains the Python modules for WL Built-in functions, variables, core primitives, e.g. Symbol, a parser to create Expressions, and an evaluator to execute them.

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Some missing Tensor Functions #531

Open rocky opened 1 year ago

rocky commented 1 year ago

[x] LeviCivitaTensor — totally antisymmetric tensor
[ ] Band — specify banded structure in a sparse array
[ ] Trace -- generalized trace
[ ] ArrayReduce

Replaces https://github.com/mathics/Mathics/issues/1478

Li-Xiang-Ideal commented 7 months ago

Add LeviCivitaTensor in pull#935