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Eilf: Matrix stuff (lemmy.ml)
submitted 1 year ago by meowmeowmeow@lemmy.ml to c/explainlikeimfive@lemmy.ml
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  1. Determinant of a matrix
  2. Difference between inverse matrix and identity matrix and what are they?
  3. Eigenvalues
  4. Unitary or orthonormal matrix
  5. Diagonal matrix
  6. How to compute matrices?

Thank you in advance for answering anyone of them.

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[-] stuaddib@mindly.social 3 points 1 year ago

@meowmeowmeow
6. I assume by this you mean "how to compute the product of two matrices?" If you mean something else, let me know. Basically, if we want to multiply two matrices A and B to get their product AB, we multiply every row of the matrix on the left with every column of the matrix on the right. I can't really typeset matrices here, so hopefully the examples on this page are helpful:
https://www.mathsisfun.com/algebra/matrix-multiplying.html

this post was submitted on 20 Sep 2023
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