Semi positive Definite Matrices Explanation,Tests

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Semi positive Definite Matrices Explanation,Tests.

Sylvester's criteria or determinant rule , eigenvalue tests, Pivot test( or converting into echelon form ) for semi positive definite matrix.

Useful for Bsc, Msc maths, GATE, UGC NET and other competitive exams.
  1. Saroj Mishra
  2. CSIR NET Linear algebra problem
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Комментарии
Автор

Thank Sylvester' for its theorem, and thank you for explaining it such clearly.

mozhdehyazdanifard
Автор

Thank you so much.

This is exactly the answer to my questions, or in other words, the criteria that I have been seeking for over the Internet.
I was suspecting whether what I had sense toward this subject (P.D. of matrices) would be true or not. You exactly pinpoint what I was looking for on YouTube.

I have watched some couple of videos on YouTube. None were convincing like that of yours. Even the MIT Open-Course-Ware !

mozhdehyazdanifard
Автор

How will you know that we have to check all the principal minors?? It is not clear.

sabyasachighosh
Автор

Comment on your presentation:
You have a little bit accent, but that is acceptable. More importantly, you wrote the required notes on the whiteboard. I think if it was even in another language, still it could be understandable.

mozhdehyazdanifard