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anonymous

  • 5 years ago

What are Tensors? I read in wiki 'Tensors are geometric objects that describe linear relations between vectors, scalars, and other tensors' but I don't quite understand what it means by linear relations, and how is a 'geometric object' represented? a matrix? so does that mean a tensor is a matrix? help

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  1. anonymous
    • 5 years ago
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    tensor is an entity between a scalar and vector...it is generally a concept too complex to study even in college...it can be represented by a matrix...infact matrices were first developed for expressing tensors

  2. anonymous
    • 5 years ago
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    thanks for replying.. i'm not sure what you mean by entity between a scalar and a vector, does it map a scalar to a vector? (isn't that just a vector field?) how does the matrix describe the tensor? a list of vertices? sorry for all the questions

  3. anonymous
    • 5 years ago
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    its like a vector which has multiple directions..u can think of it aS a generalization of a vector, but with multiple directions..so a scalar is a zero-rank tensor, a vector a one-rank tensor, as it has a unique direction, a dyad a two-rank tensor, and so on an n-rank tensor is represented by an nxn matrix

  4. anonymous
    • 5 years ago
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    ah i think i understand now, thank you very much for your help (is there anyway to give you a 'medal' or such?)

  5. anonymous
    • 5 years ago
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    yeah..right side..of my name..w8..ive got smthn fr u

  6. anonymous
    • 5 years ago
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    like it?

  7. anonymous
    • 5 years ago
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    Thank you! That's very useful! :)

  8. anonymous
    • 5 years ago
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    complicated 2

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