getting an error: ''unable to resolve the name handles.edit_t"
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% General Parameters
t=str2double(get(handles.edit_t,'string'));
lattice=str2double(get(handles.edit_lattice,'String'));
%starting with 3D representation
% creating the necessary k-vectors for the calculation
k_x= linspace(-2*pi/(lattice), 2*pi/(lattice), 100);
k_y= linspace(-2*pi/(lattice), 2*pi/(lattice), 100);
[k_meshx,k_meshy]= meshgrid(k_x, k_y);
%Energy values with the preset parameters in 3D representation
energy_mesh=NaN([size(k_meshx,1), size(k_meshx,2),2]);
b1=2.13;
b2=1.138;
for a=1:size(k_meshx,1)
energy_mesh(:,a,1)=t*sqrt(3+2*cos(2*b1*k_meshy)+4*cos(b2*k_meshx)*cos(b1*k_meshy));
energy_mesh(:,a,2)=-t*sqrt(3+2*cos(2*b1*k_meshy)+4*cos(b2*k_meshx)*cos(b1*k_meshy));
end
% Graphic representation
set(handles.axes_mesh,'color','w')
set(handles.axes_mesh,'NextPlot','replace')
surf(k_meshx,k_meshy,real(energy_mesh(:,:,1)),'parent', handles.axes_mesh,'FaceAlpha',0.6)
set(handles.axes_mesh,'NextPlot','add')
hold on
surf(k_meshx,k_meshy,real(energy_mesh(:,:,2)),'parent', handles.axes_mesh,'FaceAlpha',0.6)
colormap('jet')
shading interp
% plot of brillouin zone (black) and triangular path (red) of the dispersion plot
plot3(2*pi/(sqrt(3)*lattice)*[1,0,-1,-1,0,1,1], 2*pi/(3*lattice)*[1,2,1,-1,-2,-1,1],'k-','Linewidth',2,'parent',handles.axes_mesh)
plot3(2*pi/(lattice*sqrt(3))*[0,1,1,0], 2*pi/(3*lattice)*[0,0,1,0],'r-','Linewidth',2,'parent',handles.axes_mesh)
hx=xlabel('k_x','parent', handles.axes_mesh);
hy=ylabel('k_y','parent', handles.axes_mesh);
hz=zlabel('E(k)','parent', handles.axes_mesh);
axis equal
grid off
hold off
1 Kommentar
Jan
am 14 Feb. 2021
The shown code fails in the 1st line already. Then the rest of the code is not useful to identify the problem.
What is handles in your code?
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