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# Rebecca Müller

##### Last seen: 6 meses ago
6 total contributions since 2018

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Question

Display only one eigenvalue of symbolic matrix
Hey :) How to ask matlab to display only one (the first, biggest in magnitude) eigenvalue of a symbolic matrix (well the matrix...

7 meses ago | 1 answer | 0

### 1

Question

eigenvalue calculation of hermitian matrix reveals imaginary roots() function?
Hey :) I am trying to find the eigenvalues of a hermitian matrix (H). The function eig(H) reveals a solution, but it is too lon...

8 meses ago | 0 answers | 0

### 0

Question

2d Chebyshev quadrature for approximation of unsolvable integral
Hey :) I am trying to approximate a double integral via Chebyshev-Gauss. My code is: if hbar = 6.582119e-01; % Planc...

alrededor de 2 años ago | 0 answers | 0

### 0

Question

plot piecewise 3d function
Hey, my code is if clear hbar = 6.582119e-01; % Planck constant (meV ps) clf reset; Delta = 1.0; tau = 0.5; o = 3./...

alrededor de 2 años ago | 1 answer | 0

### 1

Question

problems with plot3
Hey folks. I want to plot a function of two variables Resigma(d,omega). When i run matlab it gives me the error message: ...

alrededor de 2 años ago | 1 answer | 0