By simply computing the covariance matrix and finding its eigenvectors and -values, you can determine the principal axes and the corresponding lengths of the ellipse.
Covariant Matrices and Ellipses
· 3 min read
By simply computing the covariance matrix and finding its eigenvectors and -values, you can determine the principal axes and the corresponding lengths of the ellipse.
Solving Maxwell's equation for 1D case with two interfaces. Based on the work of John B. Schneider "Understanding the Finite-Difference Time-Domain Method" 2023 we will try to solve 1D Maxwell's equation for electro-magnetic wave propagating through a non-dispersive plate
A example of creating and using boundary mesh for solving equations on them.
Using a single Lorentz-Oscillator model we model the responce of a materials with a variable thickneses