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Tensors and covariant/contravariant indices
 Rank: Newbie
Groups: Registered
Joined: 21/10/2023(UTC) Posts: 2  Location: NSW
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I am seeking any assistance on how to implement tensor manipulation in SMath. I wish to create rank-4 tensors as well as raise, lower, contract and coordinate transform rank-3 and rank-4 tensors. Any advice or suggestions would be greatly appreciated.
Thanks
Kerry Hinton
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  Rank: Advanced Member Groups: Registered
Joined: 10/12/2009(UTC) Posts: 249   Location: Cali, Colombia Was thanked: 87 time(s) in 66 post(s)
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Hi, Maybe this file can help you with the implementation of tensors of rank-3 and rank-4 on SMath:  Tensors-Rank3-Rank4.sm (144kb) downloaded 6 time(s).Oscar
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 1 user thanked oscampo for this useful post.
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Rank: Advanced Member Groups: Registered
Joined: 10/12/2009(UTC) Posts: 249 Location: Cali, Colombia Was thanked: 87 time(s) in 66 post(s)
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Here is an update of previous file. Now a couple of functions for create r3 and r4 tensors were added and also functions for assign values to elements on a tensor. enjoy! Tensors-Rank3-Rank4 6abr2024.sm (178kb) downloaded 11 time(s).
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1 user thanked oscampo for this useful post.
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Tensors and covariant/contravariant indices
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