Matric Notation: Underlining for Written Work?

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The discussion centers on the notation for matrices in written work, specifically addressing whether matrices should be underlined like vectors. It is established that matrices are conventionally represented in capital letters and bold, while underlining is a matter of personal preference, with some opting for double underlining. The importance of clearly defining notation is emphasized. Additionally, the discussion suggests learning Einstein notation for a more sophisticated approach to representing vectors and matrices, but only after mastering linear algebra fundamentals.

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  • Understanding of linear algebra concepts
  • Familiarity with matrix notation conventions
  • Knowledge of vector representation in mathematics
  • Basic grasp of Einstein notation
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  • Research the conventions of matrix notation in academic writing
  • Explore the principles of Einstein notation for tensors
  • Study the properties of linear algebra to enhance notation skills
  • Investigate the use of double underlining in mathematical texts
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Students of mathematics, educators teaching linear algebra, and anyone interested in improving their mathematical notation skills.

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When reading textbook, I always find that Matrices tend to be in capital letters and bold. Consequently, I was wondering, when writing them down on paper, should they be underlined (in a similar way to vectors)?

Thanks
 
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Sometimes they are written with a double underline. This is merely a convention though and there are going to be many others. Write them how you like, so long as you define your notation clearly.

If you want to, you can learn Einstein notation, which is a much more elegant way to notate vectors, matrices and higher rank tensors. This is only advisable once you have got a good hand on the properties of linear algebra though.
 

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