zyad

Active since 2014

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Why eig() function gives eigenvectors rapidly? what is the secret behind that?
hi everybody, To get eigenvectors, we apply normally SVD or QR function. However eig() provide the eigenvectors in a very fas...

6 years ago | 1 answer | 0

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how to find eigenvectors using cholsky decomposition?
my question concerns matrix decompositions and their cpu consumed time. Suppose we have a square matrix Y*Y' (Y' is the the Y tr...

6 years ago | 1 answer | 0

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i want to apply LDA on ORL database (to get fisher faces),but it gives me error?
error appears in this level: invSW=inv(SW); invSW_by_SB= invSW*SB; “Matrix is close to singular or badly scaled…” as a cons...

10 years ago | 0 answers | 0

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Question

how to represent clusters graphicaly ?
hi,i want to implement LDA algorithm ,for a first step i want to have a graphical representation of clusters for example:represe...

10 years ago | 0 answers | 0

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