[Numpy-discussion] Re: non normalised eigenvectors

2023-02-25 Thread Robert Kern
On Sat, Feb 25, 2023 at 4:11 PM Louis Petingi wrote: > Hi Thanks > > Very simply one of the solutions for the zero eigenvalue is the 1 > eigenvector. If I get back this 1 vector, for the 0 eigenvalue then the > other eigenvectors will be in the right format I am looking for. Once > again, the

[Numpy-discussion] Re: non normalised eigenvectors

2023-02-25 Thread Louis Petingi
Petingi Get Outlook for iOS<https://aka.ms/o0ukef> From: Robert Kern Sent: Saturday, February 25, 2023 2:28:45 PM To: Discussion of Numerical Python Subject: [Numpy-discussion] Re: non normalised eigenvectors On Sat, Feb 25, 2023 at 2:11 PM Louis P

[Numpy-discussion] Re: non normalised eigenvectors

2023-02-25 Thread David Menéndez Hurtado
NY > -- > *From:* Ilhan Polat > *Sent:* Saturday, February 25, 2023 11:46 AM > *To:* Discussion of Numerical Python > *Subject:* [Numpy-discussion] Re: non normalised eigenvectors > > Could you elaborate a bit more about what you mean with original &

[Numpy-discussion] Re: non normalised eigenvectors

2023-02-25 Thread Robert Kern
On Sat, Feb 25, 2023 at 2:11 PM Louis Petingi wrote: > Thank you for the reply. I am working with the Laplacian matrix of a graph > which is the Degree matrix minus the adjacency matrix. > The Laplacian is a symmetric matrix and the smallest eigenvalue is zero. > As the rows add it to 0, Lx=0x,

[Numpy-discussion] Re: non normalised eigenvectors

2023-02-25 Thread Louis Petingi
College of Staten Island City University of NY From: Ilhan Polat Sent: Saturday, February 25, 2023 11:46 AM To: Discussion of Numerical Python Subject: [Numpy-discussion] Re: non normalised eigenvectors Could you elaborate a bit more about what you mean

[Numpy-discussion] Re: non normalised eigenvectors

2023-02-25 Thread Robert Kern
On Sat, Feb 25, 2023 at 11:39 AM wrote: > Dear all, > > I am not an expert in NumPy but my undergraduate student is having some > issues with the way Numpy returns the normalized eigenvectors corresponding > to the eigenvalues. We do understand that an eigenvector is divided by the > norm to get

[Numpy-discussion] Re: non normalised eigenvectors

2023-02-25 Thread Ilhan Polat
Could you elaborate a bit more about what you mean with original eigenvectors? They denote the direction hence you can scale them to any size anyways. On Sat, Feb 25, 2023 at 5:38 PM wrote: > Dear all, > > I am not an expert in NumPy but my undergraduate student is having some > issues with the