Is there a closed-form or analytical solution for the eigenvalues of symmetric pentadiagonal Toeplitz matrix ?

More Krishna Chandran's questions See All

In SIMPLE family of algorithms do the coefficients of the pressure matrix remain constant or do they vary with the velocity field ?

1) In SIMPLE (Semi-Implicit Method for Pressure Linked Equations) family of algorithms do the coefficients of the pressure matrix obtained from the descretised pressure-Poisson's equation remain...

08 September 2017 5,554 0 View

Which storage format is better for SPAI preconditioner for parallel computing, CCS or CRS ?

For computing Sparse Approximate Inverse preconditioner (SPAI) using Frobenius norm minimization which storage format should we follow Compressed Column Storage (CCS) or Compressed Row Storage...

04 May 2017 9,478 1 View

Can anyone suggest me references for Carreau-Yasuda model for validation of fully developed Non-Newtonian flow inside a 3D Pipe ?

Can anyone suggest me references for Carreau-Yasuda model for validation of fully developed Non-Newtonian flow inside a 3D Pipe ? I want to know the fully developed velocity profile.

11 December 2016 5,571 3 View

How to learn more about SPSS and its Application?

I would like to learn more about SPSS and Its application especially in regards to data analysis. Please suggest me how I can learn more about it. Thank you so much.

11 August 2024 9,101 4 View

Can I base on reverse DNA sequences to perform alignment, convert to amino acids and GenBank submission?

I have reverse sequences (AB1 format), can I base on reverse DNA sequences to perform nucleotide alignment, convert nucleotides to amino acids and deposit the sequence in GenBank database?

11 August 2024 5,138 1 View

Baseline drift in HPLC? What causes this?

Hello, Why do i see this baseline drift when i compare my blank (black) to the sample (blue)? Any suggestions as to why this happened? Thank you!

11 August 2024 3,770 4 View

Text-Communication from the M1 Hand Area using BCI—and then there is Elon Musk?

Willett, Shenoy et al. (2021) have developed a brain computer interface (BCI) that used neural signal collected from the hand area of the motor cortex (area M1) of a paralyzed patient. The...

10 August 2024 7,180 0 View

Has anyone applied Python in the field of textile engineering for data analysis, automation, or smart textiles?

I'm currently exploring the application of Python in textile engineering, specifically in areas like data analysis, process automation, and the development of smart textiles. I'm interested in...

10 August 2024 7,429 2 View

How can I use the cif data obtained from rietveld refinement extracted via gsas2, for microstructural analysis using ETEX software?

09 August 2024 7,718 0 View

How to define an anisotropic material with asymmetric elastic compliance/stiffness matrix in ANSYS APDL?

I need to model an anisotropic material in which the Poisson's ratio ν_12 ≠ ν_21 and so on. Therefore, the elastic compliance matrix wouldn't be a symmetric one. In ANSYS APDL, for TB,ANEL...

09 August 2024 5,048 2 View

Is it true that $\det(V(A))$ may be only $\pm 1$, depending on $n$, for the last symmetric tridiagonal matrix $A$?

One can try to generalize the Vandermonde determinant in the following direction: Let $A$ be any symmetric $n$-order square matrix. Consider its powers' diagonal elements $(A^k)_{ii}$ and...

08 August 2024 6,690 1 View

How are iso-frequency contours plotted?

Let's say we have a standard, regular hexagonal honeycomb with a 3-arm primitive unit cell (something like the figure attached; the figure is only representative and not drawn to scale). The...

07 August 2024 1,937 1 View

Is it possible to plot the atom-projected band structure using GPAW?

Hi, I'm currently working on a project where I need to plot the atom-projected band structure using GPAW. I've been able to calculate the band structure for my material, but I'm having trouble...

07 August 2024 269 3 View

Cenap Özel Popular answer

plz look at

http://www.sciencedirect.com/science/article/pii/S0024379511004307

Cenap Özel

https://repositorium.sdum.uminho.pt/bitstream/1822/11391/1/RSBT_final.pdf

anoher good refrence

skew-symetric case

http://www.sciencedirect.com/science/article/pii/S0096300311011325

http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=165639&fileId=S0962492902000016

U. Grenander, G. Szegó

Toeplitz Forms and their Applications

Univ. of California Press (1958)

another good reference is

http://iopscience.iop.org/article/10.1088/0266-5611/21/6/005/meta