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Rebecca Müller


Last seen: 5 years ago |  Active since 2018

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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...

5 years ago | 1 answer | 0

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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...

5 years ago | 0 answers | 0

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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...

6 years ago | 0 answers | 0

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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./...

6 years ago | 1 answer | 0

1

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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: ...

6 years ago | 1 answer | 0

1

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Question


numerical integration 2d function of three variables and plotting
Hey guys. The problem is the following: I have a (quiet complicated) function f(x,y,z) and want to integrate it over x and y ...

6 years ago | 1 answer | 0

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answer