can anybody please help me to define this?

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Muhammad Asif
Muhammad Asif on 13 May 2020
Commented: Muhammad Asif on 14 May 2020
Actually I am looking for a speacial function in matlab which I can use to define this matrix. I have used it in past but now I don't remember it. It is a builtin functino to define these sort of matrices.
If anybody can help me pls...
Thanks

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Answers (1)

John D'Errico
John D'Errico on 13 May 2020
Special? Not really.
help diag
  2 Comments
Steven Lord
Steven Lord on 13 May 2020
If the matrix is going to be large and all the values above and below those three diagonals are 0, consider spdiags to make this as a sparse matrix.
Muhammad Asif
Muhammad Asif on 14 May 2020
Thanks Steven Lord that (spdiags) was the function I was looking for

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