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mohammad mortezaie


Last seen: 3 years ago |  Active since 2020

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Matrix dimensions must agree.
I have below code for a contour plot bu I faced with "Matrix dimensions must agree.". How can I fix it? a=1.855; eb=-3.276;...

3 years ago | 1 answer | 0

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Question


How can I put meshgride data in a matrix and calculate eigenvalues and eigenvectors?
I have below code for creating a meshgrid of k_x and k_y in order to put them in the 2*2 matrix and calculate eigenvectors and e...

3 years ago | 1 answer | 0

1

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Question


How can i plot a boundary line in contour plot
Hello, I have this code for ploting a contour plot. %bare electron mass (kg) a=1.855; eb=-3.276; ep=-1.979; t=-1.844; FS ...

3 years ago | 1 answer | 0

1

answer

Answered
How can I type in Greek letter like α or β in MATLAB while I have tried \alpha and \beta ?THANKS!
In "more properties" in "Text" change interpreter as "tex"

3 years ago | 0

Question


plot a hexagonal figure
I need to plot a hexagonal figure like (a) part of this image. How can i do that?

3 years ago | 1 answer | 0

1

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How can i draw graphene first brillouin zone using matlab?
I need to draw graphene first brillouin zone and high symmetry points and paths. how can I do it?

3 years ago | 1 answer | 0

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Question


Discrepancy between eigenvalues and eigenvectors derived from analytical solution and matlab code.
Hello, I have this matrix [ep+V/2 t*phi; t*conj(phi) eb-V/2]. The analytical solution for eigenvalues of this matrix is E=(eb+...

3 years ago | 2 answers | 0

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answers

Question


how can I sweep a triangle area using two loops
Hello, I want to sweep all points inside a triangle by coordinates (0,0), (2*pi/(3*a),0) and (0,4*pi/(3*a)) and by deviding thi...

3 years ago | 1 answer | 0

1

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Question


using meshgrid data in a matrix
I tried to use a meshgrid data in a matrix and then evalute eigenvalues. but i faced to "Dimensions of arrays being concatenated...

4 years ago | 1 answer | 0

1

answer